OpenTechnical

OT-2026-000003190

Publication integrity record

Attachment for a power saw to make plumb cuts

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003190) never changes.

Identity and time

Publication numberOT-2026-000003190 · never reused
Internal UUID01a0a69b-4828-7351-b131-327646570d4b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:46:29.544459Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003190
StatusPUBLIC

Content hashes

Canonical text745afa9a18d100bb8cab5ceec7d4a5241250766063e1105a5b2f302aa114d821
Markdown8a7f84e91cfec0743ac02cdc955ca745b24c431fd349221e0aaeb8c6d48eaf30
PDF
Publication pagecd09ec2511f009a5efe9bac106f20900da2b7d1bdaf2444eac541b20b0572397
Manifest6310eb6803ef6e94c26e975b8947998dc672e4d65e634fb62d1d4f6c38196bad

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJMibTcFiZaFOfBpHUBd1vuIGTtkY0Iz4mQFCjlrKI6pK4QkYD/9c2ISpGsYXGJAjFUxkVYDU1jGm1hwCcF3uAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-09-15T19:50:04.340232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003190
observed cd09ec2511f009a5efe9bac106f20900...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:04.310084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003190/manifest.json
observed 6310eb6803ef6e94c26e975b8947998d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:04.172614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003190/publication.txt
observed 745afa9a18d100bb8cab5ceec7d4a524...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent