OpenTechnical

OT-2026-000032812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000032812) never changes.

Identity and time

Publication numberOT-2026-000032812 · never reused
Internal UUID01a0ae75-4841-794d-98a6-31abc7b43d72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032812
StatusPUBLIC

Content hashes

Canonical text4625baa0c9127e11e1bfacfc2a69dbf55411ead6fd28b275e9a44731309d3230
Markdownf4dad4fd104e46969d9d5fa40a82ef5c87bf97bb60c57c0c3c1582b22ffc5854
PDF
Publication page08341d0d7552dc47e7369efeb88e1b3c059bcdc9380aa2937a865d8d3e8ab401
Manifest2d0fdd341256d594af574982ec01d5a6bbfe65418a30e8d4107784c8e3454935

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
SignatureAYZqc9dcMD/DymE7MIDexO3SMdwB+p1r83mf1drtYZw5oLympODqNR0sCB7ugtLwIU2VklbBCKm5KagylwJACA==
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

2026-09-17T11:32:15.825035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032812
observed 08341d0d7552dc47e7369efeb88e1b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.807908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032812/manifest.json
observed 2d0fdd341256d594af574982ec01d5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.790548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032812/publication.md
observed f4dad4fd104e46969d9d5fa40a82ef5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.773265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032812/publication.txt
observed 4625baa0c9127e11e1bfacfc2a69dbf5...
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.