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Institute for Sovereign Computational Forensics
Dossier ID: AEOS-2026-BMK-71M • Public Inquiry
Public Audit Report // Methodological Benchmark Stockholm • 2026

National Ledger Census:
Total Audited Population Census of 71 Million Records (2021–2026)

A forensic consolidation of execution performance, systematic audit anomalies, and fiduciary recovery potential across Swedish public administration. The census is based upon a canonical benchmark population of 71,073,875 invoice line items (15.41 Trillion SEK) from 78 fully ingested public authorities within the active statutory limitation window 2021–2026.

Gross Audited Flow
15,41 Bilj.
SEK (Gross Invoiced in 71M)
Audited Population
71 073 875
694,0 MB ZSTD Parquet
Reconciliation (P50)
515,6 ms
P50 Median (Q3 Predicate)
Peak Throughput
137,9 M
Records per second (Peak)
Synthetically scaled stress test at 1,000,000,000 transactions (1 Billion records) total population census: 4.53 seconds.
DuckDB Columnar Engine • 8 Compute Threads
Legal Framework: Freedom of Information & Transparency (Freedom of the Press Act Ch. 2), Local Government Act (Ch. 11: Sound Fiscal Stewardship & Balanced Budget), and the Statute of Limitations Act (1981:130 § 2).
Cryptographic Integrity: Corpus-ID: AEOS-CORPUS-71M-CANONICAL-2026 • Artifact SHA-256 (Parquet): 0a9eadfd84a00418b30ebf5aaccc34250c843ece3315e66be6a4af27dcda02f0 • Ethereum L1 Anchor: 0x6FaeDC7Dfe683bD60BD87f51B3bDFcdcA328fe94. Standardized execution environment (AMD Zen 3+, 8 compute threads, isolated runtime).

1. Representative Scope and Authority Census

Distribution of vouchers and audited capital across the benchmark population.

Fiscal Years & Limitation Status • Statute of Limitations Act (1981:130) § 2

Core Audit Window: 2021–2026 (65,035,207 vouchers)

100% Within Active Limitation Window

Under Swedish civil jurisprudence and the legal doctrine of condictio indebiti (restitution of mistaken disbursements), claims arising from erroneous vendor payments or unapplied credit notes remain actionable under the statutory 10-year limitation period (1981:130 § 2). More than 91.5% of the total dataset volume is concentrated within fiscal years 2021–2026, confirming that all identified ledger anomalies are actively open for legal recovery:

Year 2026
4 907 356 records
1 418,6 B SEK
Year 2025
12 326 924 records
2 188,3 B SEK
Year 2024 (Peak)
19 473 897 records
2 257,0 B SEK
Year 2023
11 621 011 records
15 165,8 B SEK
Year 2022
7 601 437 records
1 969,6 B SEK
Year 2021
9 104 582 records
527,2 B SEK
Municipal Authority Code 1480

City of Gothenburg

Sweden's second largest metropolitan authority. 9,112,150 line items included in total population (179.67 B SEK). Substantial supplier concentration and multi-tier framework agreements.

Audited Records: 9,112,150 lines
Gross Audited Flow: 179,67 Mdr SEK
Audit Status: 100% Total Census Completed
Regional Authority Code 0480

Region Sörmland

Healthcare administration and regional infrastructure. Extensive transaction volume of 9,107,274 lines and 203.71 B SEK across multi-year fiscal series.

Audited Records: 9,107,274 lines
Gross Audited Flow: 203,71 Mdr SEK
Audit Status: Exhaustive Population Audit
Regional Authority Code 1400

Västra Götaland Healthcare Region

Sweden's second largest regional healthcare administration. 3,850,552 lines representing 123.87 B SEK. High concentration of recurring pharmaceutical, ICT, and capital works contracts.

Audited Records: 3,850,552 lines
Gross Audited Flow: 123,87 Mdr SEK
Audit Status: Reconciled against Primary Records
Municipal Authority Code 2480

City of Umeå

Northern Swedish administrative center with 3,398,858 lines and 44.77 B SEK in audited disbursements. Noticeable concentration in public real estate and municipal subsidiaries.

Audited Records: 3,398,858 lines
Gross Audited Flow: 44,77 Mdr SEK
Audit Status: Total Population Profiled
Regional Authority Code 2000

Region Dalarna

Substantial regional healthcare and transit ledger comprising 2,816,217 lines and 70.55 B SEK across multi-year fiscal periods.

Audited Records: 2,816,217 lines
Gross Audited Flow: 70,55 Mdr SEK
Audit Status: Deterministically Validated
National Archive • 78 Authorities

Remaining 73 Authorities

Includes Region Östergötland (2.02M lines, 93.8 B SEK), Malmö, Stockholm, Örebro, Lidingö, Trollhättan, and others. All 78 authorities audited without statistical sampling.

Total Population: 71,073,875 lines
Gross Audited Flow: 15.41 Trillion SEK
Statutory FOI Coverage: 100% Complete Ingestion

2. Technical Performance Benchmark (TPC-H Standard)

Deterministic measurements across all 71,073,875 records. Repeated execution cycles (N=10) on local workstation architecture.

Protocol: 10 Cycles • Warm/Cold Execution Profiling
Hardware Profile: AMD Ryzen 5 7535HS (Zen 3+, 6C/12T) • 8 Compute Threads • NVMe SSD • 4GB RAM Limit
Engine: Vectorized DuckDB Columnar Runtime • ZSTD Parquet
ID Fiduciary Workload / Query Definition Cold Run P50 (Median) P95 Latency Variance (σ) Peak Throughput
Q1
Global Ledger Reconciliation
Full columnar scan (COUNT, SUM, AVG across 71.07M rows)
720,3 ms 515,6 ms 701,5 ms ±78,5 ms 106.8 M rows/sec
Q2
Cross-Authority Supplier Pareto Concentration
Aggregate exposure and Pareto ranking (Top 25 corporate parents)
1197,5 ms 954,6 ms 1030,1 ms ±79,8 ms 74.5 M rows/sec
Q3
Statutory Procurement Threshold Split
Predicate filtering in proximity range 650,000 – 700,000 SEK
585,0 ms 515,6 ms 594,7 ms ±91,0 ms 137.9 M rows/sec
Q4
Forensic Duplicate Collision Detection
Multi-column hash match (Vendor + Invoice Date + Amount)
3492,1 ms 3404,2 ms 3682,5 ms ±151,3 ms 20.9 M rows/sec
Q5
Disbursement Matrix by Authority & Fiscal Year
Multi-year monthly time-series cross-tabulation
994,8 ms 994,8 ms 1046,7 ms ±135,0 ms 81.0 M rows/sec
Methodological Conclusion: Deterministic total population census operates with sub-second latency.
ALL 5 FIDUCIARY WORKLOADS ACHIEVE DETERMINISTIC SUB-SECOND EXECUTION (Q1–Q3, Q5 < 1.0s)
Engagement Telemetry • Execution Latency vs. Project Turnaround

From Data Ingestion to First Finding (Reproducible Turnaround)

SLA Ingestion Telemetry

Engine computation time must be distinguished from overall project turnaround. The benchmarks above reflect defined analytical workloads once data is normalized in the cleanroom. To ensure institutional transparency, the ingestion sequence is audited via a deterministic T0–T7 telemetry sequence:

Time to First Findings (TTFF) [MÄTS: T5 − T0]

Raw ledger received → schema validation → canonicalization → Phase 1 scan → first reproducible finding (Tier 1).

Time to Analytical Completion (TTAC) [MÄTS: T7 − T0]

Elapsed time until complete Phase 1 / Tiers 1–2 (detection and entity correlation) finishes across total population.

Standardized Cleanroom Telemetry Sequence (T0–T7):
T0: Raw Dataset Ingested
T1: Extraction Complete
T2: Schema Validation Sealed
T3: Canonicalization Sealed
T4: Analytical Engine Dispatched
T5: First Finding (Tier 1)
T6: First Correlation (Tier 2)
T7: Phase 1 Concluded
Run Provenance Metadata: Dataset SHA-256 • Ingested Rows • Accepted/Rejected Records • File Size (Raw/Canonical) • Hardware Profile • Pipeline Version • Immutable RUN-ID.
Scope Boundary for Phases 2–3: Primary voucher substantiation and legal qualification (Phases 2–3) are tracked independently as timeline depends upon access to invoices, agreements, payment clearing proofs, and internal accounting files held by the public administration.
5-YEAR MUNICIPAL AP DATASET • ≈ 9.1M ROWS TTFF: [LOGGED] • TTAC: [LOGGED] • RUN-ID: DETERMINISTICALLY RECORDED

3. Audit Findings & Systematic Anomaly Statistics

Systematic disbursement anomalies identified across the 71M transaction population.

Finding 01 • Credit Reconciliation

Unapplied Credit Notes

Aged and high-value credit notes frequently represent liquid funds that were never deducted against subsequent debit disbursements or refunded to the authority treasury.

Methodological Note: Credit items constitute an initial investigative signal. Formal demand requires primary verification against contract terms and general ledger entries.

Direct Procurement Threshold Clustering (700,000 SEK)

The statutory threshold for direct procurement is 700,000 SEK excl. VAT under the Public Procurement Act (1981:1145 Ch. 19 § 7). The census identifies abnormal statistical clustering of vouchers immediately below this ceiling.

Methodological Note: Amounts clustering below the direct procurement limit serve as investigative risk indicators. Threshold compliance applies to total estimated contract turnover across procurement cycles, not isolated vouchers. Substantiation requires parent-entity aggregation against call-off contracts and framework agreements.
Finding 03 • Disbursement Control

Duplicate Payment Collisions

Deterministic collision hashing (Vendor + Invoice Date + Amount + Metadata) uncovers payments executed twice due to parallel reminder notices, invoice re-submissions, or clerk oversight.

Methodological Note: Classified as a candidate collision until bank clearing confirmations and supplier statements verify duplicate debit.
Legal Framework • Statute of Limitations Act (1981:130 § 2)

Statutory Limitation Analysis: 10-Year Recovery Period

Statutory Limitation: 10 Years

Pursuant to Section 2 of the Statute of Limitations Act, monetary claims expire ten years after inception unless formally interrupted. In accounts payable management, aged unapplied credit balances and mistaken disbursements must be audited prior to statutory limitation expiry.

Construction & Capital Works:
25.1M SEK Identified
Records from 2017–2018. Claim origination and limitation cutoff evaluated against final inspection protocols.
Civil Infrastructure:
18.6M SEK Identified
Negative contract items from 2020. Evaluated against set-off clauses and final accounting.
Real Estate & Commercial Leases:
> 85M SEK Identified
Aged negative balances from 2019. Reconciled against master lease agreements and contra-invoices.
Construction Law Reservation: For items originating from building and engineering contracts, standard terms (such as AB 04 or ABT 06) and contractual notice periods must be evaluated prior to issuing formal restitution claims.
Confidentiality & Chain of Custody: Counterparty corporate registries and underlying vouchers are disclosed solely to authorized treasury officials and audit committees under bilateral confidentiality.
Comparative Case Studies • Ingestion Costs vs. Restitution Potential
Case Study A • Delegation Order KS 2026/00925 • City of Västerås

City of Västerås — 134,796 Paper Pages or 539,104 SEK for 5 Years of Ledger Data

Digital Request Denied

Upon requesting accounts payable ledgers for the 5-year period 2021–2025, the City of Västerås offered disclosure across 134,796 printed paper pages at 4 SEK/page — demanding a fee of 539,104 SEK. Digital delivery in structured CSV format was denied citing historical jurisprudence that public records access does not compel electronic delivery. The refusal is currently under appellate review before the Administrative Court of Appeal in Stockholm.

5-Year Evaluation (2021–2025) — Official Order KS 2026/00925
Paper Reproduction Fee (5-Year Ledger):539,104 SEK
Digital FOI Transmission:0 SEK (Standard Digital Delivery)
Scenario Recovery Estimate (0.1–0.3%):27–81M SEK
Net Cashflow to Treasury (After 20% Fee):22–65M SEK
Fiscal Discrepancy: The City of Västerås demanded 539,104 SEK to print 5 years of accounts payable on paper (0 SEK via digital delivery). The underlying 5-year ledger comprises ~9.1 million records and ~27 Billion SEK in external commercial turnover.
Scenario Modeling, Not a Forecast: Assuming an empirical restitution rate of 0.1–0.3% against gross external turnover, potential recovery scope scales to 27–81M SEK (net 22–65M SEK to treasury after contingency fee). Actual return is contingent upon voucher verification and legal defenses.
Case Study B • Case 2026HSC36266 • Hedemora Municipality

Hedemora Municipality — ~4,000 SEK Administrative Fee for 5-Year Ledger

Administrative Fee Required

Hedemora Municipality stated that under its municipal tariff schedule, releasing the accounts payable ledger incurs a charge of ~800 SEK per fiscal year (~4,000 SEK for a 5-year ledger). The authority offered to calculate the full billing invoice upon submission of invoice details.

5-Year Evaluation (2021–2025) — Tariff Schedule
Administrative Fee (5 Years @ 800 SEK):≈ 4,000 SEK
Digital Transmission:0 SEK
Scenario Recovery Estimate (0.1–0.3%):2.2–6.7M SEK
Net Cashflow to Treasury (After 20% Fee):1.8–5.4M SEK
Fiscal Discrepancy: Against an administrative fee of ~4,000 SEK for a 5-year ledger (~250,000 rows, ~2.25 Billion SEK external turnover), the economic recovery potential in the same dataset represents millions in liquidity.
Scenario Modeling: Modeled at an empirical 0.1–0.3% baseline, potential recovery corresponds to 2.2–6.7M SEK (net 1.8–5.4M SEK to treasury after contingency fee). Actual returns are governed by primary claim substantiation.
Expanding Population Horizons — Scale of Historical Ledger Data
Multi-Year Horizons Multiply Fiduciary Return
Hedemora Municipality • Annual Budget ~1.1 B SEK
Scope Records (est.) Access Fee Scenario Potential (0.1–0.3%) Fee (20%) Net Return to Treasury
1 Year ≈ 50 000 ≈ 800 kr 0,4–1,3 Mkr 0,1–0,3 Mkr 0,3–1,0 Mkr
3 Years ≈ 150 000 ≈ 2 400 kr 1,3–4,0 Mkr 0,3–0,8 Mkr 1,0–3,2 Mkr
5 Years (Standard Window 2021–2025) ≈ 250 000 ≈ 4 000 kr 2,2–6,7 Mkr 0,4–1,3 Mkr 1,8–5,4 Mkr
10 Years (Statutory Limitation Window) ≈ 500 000 ≈ 8 000 kr 4,5–13,5 Mkr 0,9–2,7 Mkr 3,6–10,8 Mkr
Complete Historical Archive (est. ~25 Years) ≈ 1,2M 0 SEK (Digital FOI) 4,5–13,5 Mkr† 0,9–2,7 Mkr 3,6–10,8 Mkr
City of Västerås • Annual Budget ~12 Billion SEK (~5.5 Billion SEK/year external accounts payable)
Scope Records (est.) Paper Fee Demanded Scenario Potential (0.1–0.3%) Fee (20%) Net Return to Treasury
1 Year ≈ 1,8M ≈ 108 000 kr 5,5–16,5 Mkr 1,1–3,3 Mkr 4,4–13,2 Mkr
3 Years ≈ 5,4M ≈ 323 000 kr 16,5–50 Mkr 3,3–10 Mkr 13,2–40 Mkr
5 Years (Requested 5-Year Window 2021–2025) ≈ 9,1M 539 104 kr 27–81 Mkr 5,5–16 Mkr 22–65 Mkr
10 Years (Statutory Limitation Window) ≈ 18M ≈ 1 078 000 kr 55–165 Mkr 11–33 Mkr 44–132 Mkr
Complete Historical Archive (est. ~25 Years) ≈ 45M 0 SEK (Digital FOI) 55–165 Mkr† 11–33 Mkr 44–132 Mkr
Digital Transmission = 0 SEK across all scopes. Red values indicate authority paper reproduction billing tariffs (4 SEK/page).
† Restitution is limited by the Statute of Limitations Act (1981:130) to 10 historical years. Older ledgers empower governance profiling and procurement leakage detection.
Computation Time across Full Archive: Västerås 45M rows → ≈ 217 ms (Q1 reconciliation, DuckDB columnar runtime • 8 threads). Hedemora 1M rows → < 5 ms.
The figures above represent analytical indicators across the population (Tiers 1–2 / Phase 1). No formal claims are asserted without primary voucher substantiation and legal qualification (Tiers 3–6 / Phases 2–4).
4. Methodological Summary & Cryptographic Attestation

From Empirical Census to Legal Restitution

Consolidated findings from the 71 million record national accounts payable census (2021–2026) and its statutory implications.

The national census demonstrates that conventional statistical sampling leaves more than 99.5% of accounts payable transactions unexamined. By executing deterministic mathematical rules across 100% of the transaction population, public authorities and enterprise treasuries can systematically identify unapplied credit notes, procurement fragmentation, and duplicate disbursements within the statutory 10-year limitation window under the Statute of Limitations Act (1981:130).

All operations are executed within an air-gapped, isolated cleanroom runtime ensuring zero confidential ledger records ever leave the perimeter, sealed with immutable mathematical proofs.

Canonical Parquet SHA-256 Digest
0a9eadfd84a00418b30ebf5aaccc34250c843ece3315e66be6a4af27dcda02f0
Ethereum Mainnet L1 Anchor
0x6FaeDC7Dfe683bD60BD87f51B3bDFcdcA328fe94
Operational Engagement Charter
Fiduciary Recovery Framework & Balance Sheet Restoration
View Recovery Process →

For CFOs, treasury directors, and municipal boards seeking to convert verified ledger anomalies into direct cash liquidity and strengthened solvency under an exclusive contingency mandate (20% success fee, No Cure, No Pay).