OpenTechnical

OT-2026-000066491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000066491) never changes.

Identity and time

Publication numberOT-2026-000066491 · never reused
Internal UUID01a0ae8e-ce41-7001-afe3-6c39ba7e97c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066491
StatusPUBLIC

Content hashes

Canonical texte692fdc7f31da2258d63ec787d50dae437e39daf39f8d89fef63259c9d046317
Markdown9887d99a0db9cd1a42e102ea7666ac8191a06c34f5e3691dfd6e7852f38311c1
PDF
Publication page23640cf5f5d5c0230fe3fed024d68f6f80297ea221b316d07e81aa310d6e240f
Manifestfbb7a09c4a58eb2a9af4f18f152940f8093063609edfa8be3b61b936d2c7c552

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
Signatureo3KBoQRqmjdnkzoDq92kCX01D4SjAHEOIU8u00U4ERtFcWWAjAE+sIi3ZZtiW5WFGvWs1fRmDyJCqU/ZhlCGAQ==
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

2026-09-17T10:32:44.863686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066491
observed 23640cf5f5d5c0230fe3fed024d68f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:44.847530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066491/manifest.json
observed fbb7a09c4a58eb2a9af4f18f152940f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:44.831639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066491/publication.md
observed 9887d99a0db9cd1a42e102ea7666ac81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:44.813670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066491/publication.txt
observed e692fdc7f31da2258d63ec787d50dae4...
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.