OpenTechnical

OT-2026-000071218

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000071218) never changes.

Identity and time

Publication numberOT-2026-000071218 · never reused
Internal UUID01a0ae91-e0ec-7941-bb27-d90a9ed9fb05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071218
StatusPUBLIC

Content hashes

Canonical text1a98bce892bde86e345f8ff35d25c8befdeac4567d5402ed2c528dd80459465c
Markdown001f943f9d446a9a1943ba1954d94a7861afcc5e70b48f382241a90a8346186f
PDF
Publication pageb475b52cb82adbdb66ee111feb64f780d80f3f77d3579684471b4b012d416bf8
Manifest7fb6252c8d232143e50322b05d7b170bc650eea0c624f3ab50c851686823b3fe

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
SignaturewNeP7zbD/ncC9rB0IUbOrrSadDls2XqGqrRET8VrL2pBiwl1eXJAEXJzCg4THFxlk+fRuwFcxjpnFgIXcmpcDA==
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

2026-09-17T10:24:45.366076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071218
observed b475b52cb82adbdb66ee111feb64f780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.349000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071218/manifest.json
observed 7fb6252c8d232143e50322b05d7b170b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.286061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071218/publication.md
observed 001f943f9d446a9a1943ba1954d94a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.212019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071218/publication.txt
observed 1a98bce892bde86e345f8ff35d25c8be...
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.