OpenTechnical

OT-2026-000002294

Publication integrity record

Clamp for retaining a piece to be worked and method for working a piece

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-2026-000002294) never changes.

Identity and time

Publication numberOT-2026-000002294 · never reused
Internal UUID01a0a67b-c05d-72ae-a889-3663240e11e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:12:03.165827Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002294
StatusPUBLIC

Content hashes

Canonical text44977d27077ee19e408bb636e6bc135493c1465f092873c85a537ea7fb44b912
Markdown3eb1b992f0a8e860deffc81444351236e93ee66a1d603fedb0284969ce455d10
PDF
Publication page5bd396e1518803b3f9c8855c6c2714d54bb82a67155507e70c27d1b778b123d0
Manifest62b5a7915f4d3528c38678f4255610efb22361559a666824899c153bb3c8696a

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
SignatureU0heYFkky/4pZ2/iB/6i985GIJooQmESIhgnDzHsv+S9w/KSs7otE9p1kV1+9Hb4htQRM4odGypYKMwJsNinDg==
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

2026-10-11T20:41:51.859168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294
observed 5bd396e1518803b3f9c8855c6c2714d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T20:41:51.786063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294/manifest.json
observed 62b5a7915f4d3528c38678f4255610ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T20:41:51.716669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294/publication.md
observed 3eb1b992f0a8e860deffc81444351236...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T20:41:51.511232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294/publication.txt
observed 44977d27077ee19e408bb636e6bc1354...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:46.729686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294
observed 5bd396e1518803b3f9c8855c6c2714d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:46.514104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294/manifest.json
observed 62b5a7915f4d3528c38678f4255610ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:46.307248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294/publication.md
observed 3eb1b992f0a8e860deffc81444351236...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:42:46.040086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002294/publication.txt
observed 44977d27077ee19e408bb636e6bc1354...
fetched by grabo-systems from 34.44.131.203, 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