OpenTechnical

OT-2026-000076224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000076224) never changes.

Identity and time

Publication numberOT-2026-000076224 · never reused
Internal UUID01a0ae94-6a6f-7ae0-9555-3dbf530094ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076224
StatusPUBLIC

Content hashes

Canonical texte6406f1b93be326bf84eee6f7bc5ab74887ca1ec5d52db33de71d03fb5c17e72
Markdownffdc5819e1412dfcad512c2a2dedb05a748a8f8d92f15c17a43852020bbe5d73
PDF
Publication page3db63e0b59b57492bc4db8c940616f35e25f94f84770206c337bc224ad1b467c
Manifest55a1a0ce93dc429a41d5d4f2d6bb40d77a911f1f0beba1b1215ced4c05b13569

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
Signature3temGhWsrtDa34f5OS5TLSGumWxXoE5WJuI6r9vv8d/jJ08PmwPXDX9WkX/hKLaHI6cIVu1oriPAo0YkGr2jDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:38.025950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076224
observed 3db63e0b59b57492bc4db8c940616f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.008340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076224/manifest.json
observed 55a1a0ce93dc429a41d5d4f2d6bb40d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.989496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076224/publication.md
observed ffdc5819e1412dfcad512c2a2dedb05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.967542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076224/publication.txt
observed e6406f1b93be326bf84eee6f7bc5ab74...
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.