OpenTechnical

OT-2026-000015095

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, 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-2026-000015095) never changes.

Identity and time

Publication numberOT-2026-000015095 · never reused
Internal UUID01a0ae6d-d097-7ada-8f2a-47484015f29f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015095
StatusPUBLIC

Content hashes

Canonical textf792b731193a5390bfc5d9b4751b85cde32245aafa44180fceeae9e2e654b9c1
Markdowna2e0917cddb5a545d891ce79c3b9f8d5052dc2f459c4817a53487242769a07f2
PDF
Publication pagede298a661807dd3217af4e12ecbce6f84425a10cffff600e66a23ba8f2bc7bca
Manifest20f3f7d26a8e813047549678917f2425e3109eee064d364cb47e138f4f68725f

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
Signature/1qcjvleI0TTyRI0n/DZCZYKi+tu5Vf5x51kTEZWg2xy8TRJLkLTDEjLkp5qJ0U8yKbPIDHtG0tkiAemB33nBA==
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

2026-09-17T12:07:09.079350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015095
observed de298a661807dd3217af4e12ecbce6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.059865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015095/manifest.json
observed 20f3f7d26a8e813047549678917f2425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.040255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015095/publication.md
observed a2e0917cddb5a545d891ce79c3b9f8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.021048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015095/publication.txt
observed f792b731193a5390bfc5d9b4751b85cd...
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.