OpenTechnical

OT-2026-000076122

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000076122) never changes.

Identity and time

Publication numberOT-2026-000076122 · never reused
Internal UUID01a0ae94-6a6e-708a-8ef3-891249922a91 · 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-2026-000076122
StatusPUBLIC

Content hashes

Canonical text4cc2a379de7c9eaed10e449f1e55671d02eff09c0b17efe62bced086a898303a
Markdown2c830979ad99d45d6aefcb3e2aebb467bc4b3a55502ce1fe2b39c6d36125ba18
PDF
Publication page268bd151459b4f84720188cac92136d1e057434c48882e19124405fa6ffab96a
Manifest857c679e04d0c9acbecb3408faedbd3f2f7b179f0e52731e8b0b70e735995e74

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
SignatureAykKWwikGltPuktvb+yrudCvkT3oCsLl1d4P6mo/k3OrldGDwq0KIE6xuEoR6s9dBlw/9zeQCIjm3YbdpC1GBg==
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

2026-09-17T10:11:06.006399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076122
observed 268bd151459b4f84720188cac92136d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.989481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076122/manifest.json
observed 857c679e04d0c9acbecb3408faedbd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.968021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076122/publication.md
observed 2c830979ad99d45d6aefcb3e2aebb467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.947590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076122/publication.txt
observed 4cc2a379de7c9eaed10e449f1e55671d...
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.