OpenTechnical

OT-2026-000001564

Publication integrity record

Adaptive tool holder for robotic arm

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-2026-000001564) never changes.

Identity and time

Publication numberOT-2026-000001564 · never reused
Internal UUID01a0a676-db1d-7519-81e9-8275d14654af · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:42.333406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001564
StatusPUBLIC

Content hashes

Canonical text0e192244e66659fe8cb5d781931e623c1a35832669c8c8764e5e61925cbc3f4d
Markdowncee11e0c21aa830693cf6a98be337334aa8da1cb468136db4bf6d5cfa6ddf6fc
PDF
Publication page41521aabc06bd6392b695c87beb95e3ca65435cde12e785f3101c4a4f6c0f8dd
Manifestdb4c9e8dc35eec5b1268d30059721ea7ce9a5faa959414b48cf21f19e8235f6a

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
Signature2fW9KNhyoPmOYwAbyvMkJ8yT+2GuoLGaeB7vPMEbdqfQ8+duEtqXSenNp++ddNTN2a4jk8kJQL+rIrh7bwEZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-30T04:23:41.358240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564
observed 41521aabc06bd6392b695c87beb95e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:41.345645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564/manifest.json
observed db4c9e8dc35eec5b1268d30059721ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:41.332527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564/publication.md
observed cee11e0c21aa830693cf6a98be337334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:41.220241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564/publication.txt
observed 0e192244e66659fe8cb5d781931e623c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:00:29.482402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564
observed 41521aabc06bd6392b695c87beb95e3c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:29.450177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564/manifest.json
observed db4c9e8dc35eec5b1268d30059721ea7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:29.438490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001564/publication.txt
observed 0e192244e66659fe8cb5d781931e623c...
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