OpenTechnical

OT-2026-000031198

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000031198) never changes.

Identity and time

Publication numberOT-2026-000031198 · never reused
Internal UUID01a0ae74-87ab-7c03-9b2c-9b261cb79a1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031198
StatusPUBLIC

Content hashes

Canonical texta6005e91787b71682af889965e7ff453bf309df062d6b49e12d0f04430429f9a
Markdown0f2bc3f64710efa5036f5746e6245546c639a85021cce0cb81bb7fcfe16552de
PDF
Publication pagede01ba5dee8949112c7e000ef6e10c15bd82f4a0a4de862f8b74bf6cae7c6a38
Manifestb3ebfc72c7e64289fe9da7ca9264ecb4543f29e0e707e967d3cac2388f17e782

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
Signaturem44J9Ktq3faVx2n0qie56mypcVdcA1aaDkaMBqhx3nUOAUX2flZWptOzQkdZT+GF27Wa2u6AbvCBp51T4qQkBg==
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

2026-09-17T11:35:45.599429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031198
observed de01ba5dee8949112c7e000ef6e10c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.581616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031198/manifest.json
observed b3ebfc72c7e64289fe9da7ca9264ecb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.565558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031198/publication.md
observed 0f2bc3f64710efa5036f5746e6245546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.548875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031198/publication.txt
observed a6005e91787b71682af889965e7ff453...
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.