OpenTechnical

OT-2026-000083316

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083316) never changes.

Identity and time

Publication numberOT-2026-000083316 · never reused
Internal UUID01a0ae97-c964-7f42-8671-aaa58995f8dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083316
StatusPUBLIC

Content hashes

Canonical textdb419d5734844c804292d04844dcf526b6e0ca7dc7ac47b893a635e64a892afd
Markdown2f10d6dd3fde6ce143d614fc37be76bb526370bc93f5348995ca451cbdd9e21d
PDF
Publication pagefac46806aecde5718bf8070c4cdc0ce69d952219c0e508a61fdb9551857e0ea8
Manifest82b2662d2a71a34c2922b80465749da630a225fab7d9d5b957a9550b3e9b0d36

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
Signature/2oAMZGitphlnzeqH97pqk41VGlOZAldOE9J2Nr0/Z2J9L1t1hwuOOLgrNbYPruqZTXDH+XTQ65N/N+VG7BnDg==
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

2026-09-17T10:00:34.772063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316
observed fac46806aecde5718bf8070c4cdc0ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.753662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316/manifest.json
observed 82b2662d2a71a34c2922b80465749da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.735394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316/publication.md
observed 2f10d6dd3fde6ce143d614fc37be76bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.718346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316/publication.txt
observed db419d5734844c804292d04844dcf526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.637639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316
observed fac46806aecde5718bf8070c4cdc0ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.622784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316/manifest.json
observed 82b2662d2a71a34c2922b80465749da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.607159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316/publication.md
observed 2f10d6dd3fde6ce143d614fc37be76bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.591029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083316/publication.txt
observed db419d5734844c804292d04844dcf526...
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.