OpenTechnical

OT-2026-000029854

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000029854) never changes.

Identity and time

Publication numberOT-2026-000029854 · never reused
Internal UUID01a0ae73-ac47-7e59-ab21-3f52fe648f87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029854
StatusPUBLIC

Content hashes

Canonical text4b7654bd4bbe6413fc2b8d597e1f41aad1f6cb55bd32b0cc4d0e3d6bef6a6db2
Markdownfbc9d1bf6aca644c54acb8b53e08ee3ad7d339604bf5508f62dc59c9a2fbec94
PDF
Publication page734cb6261ebb11fa8dea35a4c725be3efd8d7e37c4ec6f2f2bc82be5fb7c1a01
Manifesta71685b2184171020759c34a50ba855aa9be2010ffdaae96501d5831699711f4

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
SignatureS3cMxYD/o8Lnns6O9Q2192SeumQpr/zDRFn9xkor8h7AvBkTZod/ZKUmONGRjimQ22Q8tjMwm/Cs+gv6mJjSAQ==
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

2026-09-17T11:38:32.895771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029854
observed 734cb6261ebb11fa8dea35a4c725be3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.879706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029854/manifest.json
observed a71685b2184171020759c34a50ba855a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.862408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029854/publication.md
observed fbc9d1bf6aca644c54acb8b53e08ee3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.844458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029854/publication.txt
observed 4b7654bd4bbe6413fc2b8d597e1f41aa...
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.