OpenTechnical

OT-2026-000029265

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029265) never changes.

Identity and time

Publication numberOT-2026-000029265 · never reused
Internal UUID01a0ae73-2aa1-73c2-a133-e7549a3cc8b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029265
StatusPUBLIC

Content hashes

Canonical text48c267ba7ba76ccb7d78f7825e271fad8a226b86e7116ba679ba4a736dfa91be
Markdown1ba4539734e915c7641150dc10078c54fa7f9de09441bf09551000a2fdcd2096
PDF
Publication page8a5bf679c524d706bea9d935c64e53d0346f9ab0ebc883620a069faf030bcdce
Manifestd9353ce9b0858e0e52d524881e0dfbd3e76aafd2d8140a936307ce3936204856

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
Signature2meVl8T1m/uz9XH11tVCJkOZw8u8kyv0UUKHe1PW4GiRMnKMC7em+GNpp7vO/CyPoLpJtwsxzM1YMML+XO0iAw==
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

2026-09-17T11:39:53.827478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029265
observed 8a5bf679c524d706bea9d935c64e53d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.810404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029265/manifest.json
observed d9353ce9b0858e0e52d524881e0dfbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.794491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029265/publication.md
observed 1ba4539734e915c7641150dc10078c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.777577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029265/publication.txt
observed 48c267ba7ba76ccb7d78f7825e271fad...
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.