OpenTechnical

OT-2026-000003147

Publication integrity record

Device for coupling a tool to a hand-held tool-driving device

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-2026-000003147) never changes.

Identity and time

Publication numberOT-2026-000003147 · never reused
Internal UUID01a0a694-1dee-7aa3-b1ea-2b67d59f0094 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:38:39.982611Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003147
StatusPUBLIC

Content hashes

Canonical text94fb0ed4cef0f358b4efccdcc3ae1f5b3f98c8d196a156182bdef0929eda3cd0
Markdown79e291fa47d817d86c40e1b61d1b65b86d5c8881d312a6b4ec48183a83b9da05
PDF
Publication pageb68612b7854b2c850c20f5716acf3cf509a919ace3de2ef26d8fe0267baead5b
Manifestb55d6cc7ff14d63b14e6bfe82a6dd52f47e3450e5d27a51510b791a0716493b0

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
Signatureoa8QQ2nx0KVhFlrzMBTaRiuuN4xoCw4drqkS7+iTkUyapl/9odcUgIqBDHuWO3HAwJbUipmonRItdFqFWCQSDQ==
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

2026-10-09T20:41:02.479436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147
observed b68612b7854b2c850c20f5716acf3cf5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:02.335150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147/manifest.json
observed b55d6cc7ff14d63b14e6bfe82a6dd52f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:02.245489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147/publication.md
observed 79e291fa47d817d86c40e1b61d1b65b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:02.050589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147/publication.txt
observed 94fb0ed4cef0f358b4efccdcc3ae1f5b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:23:22.124776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147
observed b68612b7854b2c850c20f5716acf3cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:22.108986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147/manifest.json
observed b55d6cc7ff14d63b14e6bfe82a6dd52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:22.054961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147/publication.md
observed 79e291fa47d817d86c40e1b61d1b65b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:21.989199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003147/publication.txt
observed 94fb0ed4cef0f358b4efccdcc3ae1f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, 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