OpenTechnical

OT-2026-000011632

Publication integrity record

Three finger electric gripper, on a tool changer

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-2026-000011632) never changes.

Identity and time

Publication numberOT-2026-000011632 · never reused
Internal UUID01a0ae6d-193f-7093-a4bc-9228543e3395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011632
StatusPUBLIC

Content hashes

Canonical textab03b85c7b3776f5ae46c405c8e52ec3956b7636fb2c115d42d4e03aaa27c8b7
Markdown0a9416dd609b79ba9d6e1e7bbb4946815cb841a0920ae289ae5eeeb60873690b
PDF
Publication pagecb7cb1c9b08ae4b452b08471b027ed6bfa1be82b8bb20bfeeea4d38999a346d7
Manifest8210a788170fd92da095aa7d3ce555951ba6ea6a58509324b5b86e6248c45047

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
SignatureAVHAmFvN10WwxONDtbcKrR9foU3r25Be8S2BLCiJjiLsSyAuV9fwiGeLJFh/9T+kM38K4nqHM8rNQBXLDqbEAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:12.945470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011632
observed cb7cb1c9b08ae4b452b08471b027ed6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.928238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011632/manifest.json
observed 8210a788170fd92da095aa7d3ce55595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.910530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011632/publication.md
observed 0a9416dd609b79ba9d6e1e7bbb494681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.892764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011632/publication.txt
observed ab03b85c7b3776f5ae46c405c8e52ec3...
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

Custody packagePending Custody packages are produced weekly.