CN · Field Manual
MANUAL 03 · VERIFICATION MINUTES, NOT TRUST
Learn the system / Manual 03

Verify a dataset
yourself.

~4 minAny OS, standard toolsNo account required

A sealed dataset doesn't ask you to trust it — it gives you the tools to check it. Three independent checks, each taking minutes, each failing loudly if anything was altered. This is the same procedure our own release audits run.

CHECK 01

Re-hash the package

Every release ships a SHA256SUMS.txt manifest covering every member file. Re-hash any file yourself and compare against its manifest line — if a single byte changed, the hash breaks.

# Windows PowerShell
Get-FileHash .\claims.csv -Algorithm SHA256

# Linux / macOS
sha256sum claims.csv

# or verify the whole package at once
sha256sum -c SHA256SUMS.txt
hash matches the manifest line for that file
CHECK 02

Resolve the sources

Every claim and study chains to source identifiers — DOI, PMID, PMC, or URL. Open the sources or graph_nodes table, pick any row, resolve the identifier. Our machine audit re-resolved the full catalog live: 20,204 of 22,375 sources verified (90.3%) — failures classified as dead links, bot-blocked, or identifier-absent, not hidden.

# any source row resolves to the published record
https://doi.org/<doi>      → publisher record
pubmed.ncbi.nlm.nih.gov/<pmid> → PubMed entry
identifier resolves to the cited publication
CHECK 03

Inspect the opposition ledger

Each claim binds not only supporting evidence but a screened opposition set — records considered against the claim, bound or rejected with reasons. If we cherry-picked, the ledger is where it would show: candidates rejected without reasons would stand out.

# oppositions table — every counter-record has a verdict + reason
oppositions.csv → verdict ∈ {BOUND, REJECTED}, reason NOT NULL
every screened record carries a verdict and a reason
WHAT OUR AUDITS ALREADY RAN
0manifest hash mismatches — all 49 trees
49/49parity audits pass — replay against frozen inputs
90.3%of 22,375 source identifiers verified live

If you find a failure

That's the system working — not a scandal. Dead DOIs, retracted papers, and journals that block resolvers are classified in the audit trail, not concealed. A discrepancy you can point to is a defect we will fix in the next release — the version delta will show the correction.

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