OpenTechnical

OT-2026-000038458

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038458) never changes.

Identity and time

Publication numberOT-2026-000038458 · never reused
Internal UUID01a0ae78-2d53-77a5-a9e2-cf6a049c9881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038458
StatusPUBLIC

Content hashes

Canonical textd147e97e202079a743c83c5b869e488481c10d31b0d82f418104e90d44f0da02
Markdown19dd139d17a99b4705fcffe61ae66744e0b3c9699297c5cb477d4a3d23d1c05a
PDF
Publication pagefccf611d16b560335613bd31ee9d848a9e6ca83afbc22c53ef37ddff551062ea
Manifest0b18a89013f59180b73c49660cbfedfc2fda96ae8bebd897abdee05e1dce45fd

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
Signature6RjcC/hMFmvTrSkCWGG2DbQjsflq9zAdW4gtXY3O1SwNOYmHCDg1PByGKR4tpW6V75CcDyIWk/1xJijHuoP4Bg==
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

2026-09-17T11:22:41.447890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038458
observed fccf611d16b560335613bd31ee9d848a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.430052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038458/manifest.json
observed 0b18a89013f59180b73c49660cbfedfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.409928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038458/publication.md
observed 19dd139d17a99b4705fcffe61ae66744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.392731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038458/publication.txt
observed d147e97e202079a743c83c5b869e4884...
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.