OpenTechnical

OT-2026-000039451

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039451) never changes.

Identity and time

Publication numberOT-2026-000039451 · never reused
Internal UUID01a0ae78-9675-743b-83b4-b53f33b199ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039451
StatusPUBLIC

Content hashes

Canonical text621f2561279ca8e4328f80295037f966b5fd97fb26e80855f158ec4181fd7552
Markdownc850baea11435d83c81b4c05cf5291397a03ab7c210d7571fb8e31fcc55f7599
PDF
Publication pageb53507716528da2e30bdaf92024af7b007d108f6790727486ca1c3111efa8a13
Manifestfefc95d772ccde559fd2991a9135520ebd63b6d55654518b86418808cea06ca1

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
Signature6ffdRi6xCpQRNZMWeeRtEUd9fuD/t6KYQNVNoYj9xpvVErEsqtQ+bnKiFkk2l0NGnpXcJigahk5d6RNUz9I5BQ==
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

2026-09-17T11:21:02.885778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039451
observed b53507716528da2e30bdaf92024af7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.867310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039451/manifest.json
observed fefc95d772ccde559fd2991a9135520e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.843941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039451/publication.md
observed c850baea11435d83c81b4c05cf529139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:02.821576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039451/publication.txt
observed 621f2561279ca8e4328f80295037f966...
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.