OpenTechnical

OT-2026-000025882

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000025882) never changes.

Identity and time

Publication numberOT-2026-000025882 · never reused
Internal UUID01a0ae71-a83e-7d9f-9d4a-1c4ceb6ff0fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025882
StatusPUBLIC

Content hashes

Canonical textc649500f434d39a7c99410f6594a4574fc81368363a7f4b8b345749f9edbc338
Markdown04d0f205ad7111a403e367713ea6b026ff1390781d21793bc6f08aafb587ce08
PDF
Publication pagead40de1b261069f7cc5f1b27b5cc2772975b9877c8cff89ba79de9a57136d470
Manifest0adf7922ea61ce394a9e6dd281401d24eb8d1d6d8928caec91a5273ed76ac695

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
SignatureiLgVWaom4RXK8QfXrHTY5UtrG1RBZ1alzFFqMh7c/Lp/zKOUuvDKs3kEYvZx9muut95oy7i1ud/xpwb1HggTBA==
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

2026-09-17T11:46:13.154006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025882
observed ad40de1b261069f7cc5f1b27b5cc2772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.136685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025882/manifest.json
observed 0adf7922ea61ce394a9e6dd281401d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.119365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025882/publication.md
observed 04d0f205ad7111a403e367713ea6b026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.102012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025882/publication.txt
observed c649500f434d39a7c99410f6594a4574...
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.