OpenTechnical

OT-2026-000001897

Publication integrity record

Open-ended wrench with polymer adaptor

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-2026-000001897) never changes.

Identity and time

Publication numberOT-2026-000001897 · never reused
Internal UUID01a0a679-4c75-7462-b236-926f7c978772 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:22.421792Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001897
StatusPUBLIC

Content hashes

Canonical textcd982e73efd234af74a742fb5a26c6e32c4726e2b79d20dfd01dca835e690214
Markdowna51912fc579aed1a6e012963d06a608271998ef7502eb9458446773565cb5975
PDF
Publication pagebc6adb962139d4ac7b0d4360004f8ef560c16259673eda023b2fcc302acc4e48
Manifestacf777707886a5b2b1e4bd5bbeb1b181030e3631a79da841ea7c67f0b26dfa63

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
SignatureIFE1BprGHNP7GaD3BGHvG4bRX8Bul0ReZ2UUjE++Zdc48035739PkVyU30YJfuIMkUjCu2JdmN4BMLG0bb1XBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-16T08:41:48.375707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897
observed bc6adb962139d4ac7b0d4360004f8ef5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:47.873863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897/manifest.json
observed acf777707886a5b2b1e4bd5bbeb1b181...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:47.215094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897/publication.md
observed a51912fc579aed1a6e012963d06a6082...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:46.376956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897/publication.txt
observed cd982e73efd234af74a742fb5a26c6e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:10:13.608408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897
observed bc6adb962139d4ac7b0d4360004f8ef5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:13.447216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897/manifest.json
observed acf777707886a5b2b1e4bd5bbeb1b181...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:13.434050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001897/publication.txt
observed cd982e73efd234af74a742fb5a26c6e3...
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