OpenTechnical

OT-2026-000011697

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-2026-000011697) never changes.

Identity and time

Publication numberOT-2026-000011697 · never reused
Internal UUID01a0ae6d-1940-7bc7-ac0e-5cfaa5579bea · 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-2026-000011697
StatusPUBLIC

Content hashes

Canonical text358935f9e8fb86dda6338d346f019d0b294491bc33c46a88983447f8315de071
Markdown38f510422eef43d18ba60e30fe66cdc216fdff097f458d4601a187d4c2ab69e3
PDF
Publication pageb98cb0ffb58ca801df016acaa4cd14e785ab4c51abe6c58359eca6bcfc597778
Manifestc1a9bb9774fc92d703e705ecd74f477d0bbfd8884e4328cddc2f9c1fd89dadc3

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
Signature1RjMVrWy7/o9GS9ufo7aZD3XSHmiufHAU3GZVuNbJekvIAWoqMIj9Z4zPzXRkkJ1TWSdb4snHkyMWrSDQ0lhCg==
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

2026-09-17T12:12:18.178614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011697
observed b98cb0ffb58ca801df016acaa4cd14e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.158468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011697/manifest.json
observed c1a9bb9774fc92d703e705ecd74f477d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.139652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011697/publication.md
observed 38f510422eef43d18ba60e30fe66cdc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.118518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011697/publication.txt
observed 358935f9e8fb86dda6338d346f019d0b...
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.