OpenTechnical

OT-2026-000088103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000088103) never changes.

Identity and time

Publication numberOT-2026-000088103 · never reused
Internal UUID01a0ae9b-1aa7-7f9e-8236-30320c55e5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088103
StatusPUBLIC

Content hashes

Canonical textb4254518f068bb596b80a03fd15da3740f84aadc755ce56b5212b7e718e72aa2
Markdown1152bf9d150bfbca3f86dfb1b92a2721f3a0c11be52da225258506d3e307abfe
PDF
Publication page25aa3a2b3873026dd80aba1eb3c08a3c264b535edccd5038fc880fa54663650a
Manifest1a8654f3e10c83bde436796fc43cc80ea23c095e9ff85bb4f7a4c47ae22669cf

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
SignatureNrd/7x5zsuqLZYV3i70VojGIl3FsOtHTbbnmMgIhWPI6a0ZNHYxB52M8LOWGUcwYVsLpTuedv9gkkEC9jPUoAw==
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

2026-09-17T09:50:07.081124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103
observed 25aa3a2b3873026dd80aba1eb3c08a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.064376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103/manifest.json
observed 1a8654f3e10c83bde436796fc43cc80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.045380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103/publication.md
observed 1152bf9d150bfbca3f86dfb1b92a2721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.026264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103/publication.txt
observed b4254518f068bb596b80a03fd15da374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.218021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103
observed 25aa3a2b3873026dd80aba1eb3c08a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.201883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103/manifest.json
observed 1a8654f3e10c83bde436796fc43cc80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.181694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103/publication.md
observed 1152bf9d150bfbca3f86dfb1b92a2721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.164062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088103/publication.txt
observed b4254518f068bb596b80a03fd15da374...
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.