OpenTechnical

OT-2026-000011338

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000011338) never changes.

Identity and time

Publication numberOT-2026-000011338 · never reused
Internal UUID01a0ae6c-88fe-7c47-ac54-6bd09d0602a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011338
StatusPUBLIC

Content hashes

Canonical texta1115cf7fea14230154fe55465218e2fea9e8923b5c3e7aa56a98121f5bfd1fd
Markdown8813819271beace481825632a7729656f8c3b7c5571f0d6a8066b851597c3e52
PDF
Publication page95bbf56f32b9c9893569f40cc43369bbe6cea345a3144b46ce3a6806933ed911
Manifest8b2b9e37db2408bb1b93336aca9e7ea0e5d8b0be4db92981de027dc1ab9661a6

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
SignaturezMaPfPDW63vugTFVxUSI3W2/5Y44Myq84bnEyRrggGI2HUj7jhynqgdC2hVI6nqAHsCtMF2KSPdYu0QpXefyCA==
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

2026-09-17T12:13:03.938910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011338
observed 95bbf56f32b9c9893569f40cc43369bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.918104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011338/manifest.json
observed 8b2b9e37db2408bb1b93336aca9e7ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.901258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011338/publication.md
observed 8813819271beace481825632a7729656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.880712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011338/publication.txt
observed a1115cf7fea14230154fe55465218e2f...
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.