OpenTechnical

OT-2026-000075304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before 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-2026-000075304) never changes.

Identity and time

Publication numberOT-2026-000075304 · never reused
Internal UUID01a0ae93-f200-752f-a883-f28dc2dcd9e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075304
StatusPUBLIC

Content hashes

Canonical text3f8b1807ef2777a843c6fa26dc701e647ba36bf1e7731e5b0f9a20ea6ad6baa2
Markdown8a72cd0799f6ad0681b27a02451339d9b392d41f62ae7b0237411e52cce22211
PDF
Publication pagef9c719bde53b3ff0a63fbee5cb4b17b21fe33f9bcf119fc0f6867348d2056391
Manifest6cdc0d419aa77637a5ce862a79e505668fb652fb0ebde21525728636e68838f0

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
Signaturey/HxEKtmLd1s/Gvk23+T5X0Dqjzi14gU2Xxn5LnYrl+xvAn4Z6WColuTV7Qp5I2+ORvinTA/XZoBdfWqWvLVCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:06.239269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075304
observed f9c719bde53b3ff0a63fbee5cb4b17b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.220733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075304/manifest.json
observed 6cdc0d419aa77637a5ce862a79e50566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.202678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075304/publication.md
observed 8a72cd0799f6ad0681b27a02451339d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.059703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075304/publication.txt
observed 3f8b1807ef2777a843c6fa26dc701e64...
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.