OpenTechnical

OT-2026-000022799

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000022799) never changes.

Identity and time

Publication numberOT-2026-000022799 · never reused
Internal UUID01a0ae70-46ea-7bc3-a27d-36633c81ddd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022799
StatusPUBLIC

Content hashes

Canonical text96e971977f15c833b69cfd4a6e057cafeeeedbb36f1717cf1ff4d64224989fc8
Markdownd81249aa0166a27cae93242d1f5d995297f2abca75293c1d79f9add3b0030bed
PDF
Publication page210258288289445da3bcfb3a391db31df1c6b3214d7cd5b2b044bb552f10a267
Manifest65c45ff747a0ee10b1352acedbe458aaa7b5d6cde47f9d7c8d313757ed464d94

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
SignatureZv3WzLtPnbbE9LDaw8Ra44CGMwLXp8NZLw79dwGkuX7WTnzRJI/FyEFFUGHKya8bqKGJWaoDfwHpbT4TD755AQ==
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

2026-09-17T11:52:19.334142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022799
observed 210258288289445da3bcfb3a391db31d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.316443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022799/manifest.json
observed 65c45ff747a0ee10b1352acedbe458aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.297516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022799/publication.md
observed d81249aa0166a27cae93242d1f5d9952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.279874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022799/publication.txt
observed 96e971977f15c833b69cfd4a6e057caf...
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.