OpenTechnical

OT-2026-000051513

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000051513) never changes.

Identity and time

Publication numberOT-2026-000051513 · never reused
Internal UUID01a0ae83-7c80-777b-a12b-86d3bbe497dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051513
StatusPUBLIC

Content hashes

Canonical text51500d9b06a7ce227a76c4b7c9e9f46f86c7b1665c3e68264ed7e32a5038bfe4
Markdowncdd080230537f5b9cc6e6506fdf8f9dce472a9d7010706af3394a8f428b47068
PDF
Publication pageb0580a6c0483ca415acf67ab3f99cb253cb1bc1aba9ba27654d5d69cf6b6c892
Manifest6992aff7109a0f2ea95ea0d5ec679e7c2599c3491f9789ce7dba88a7be549648

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
SignaturebgSjE313Dsqk6V7VkXGo6uOOVyMoeWXw5marpPHWUJlAIhxW+hkRfhxYYnnwyoMTKUQCEZCZ+hxRCzZ82/tdCA==
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

2026-09-17T10:58:20.019463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051513
observed b0580a6c0483ca415acf67ab3f99cb25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.000342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051513/manifest.json
observed 6992aff7109a0f2ea95ea0d5ec679e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.982503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051513/publication.md
observed cdd080230537f5b9cc6e6506fdf8f9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:19.965726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051513/publication.txt
observed 51500d9b06a7ce227a76c4b7c9e9f46f...
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.