OpenTechnical

OT-2026-000083456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000083456) never changes.

Identity and time

Publication numberOT-2026-000083456 · never reused
Internal UUID01a0ae97-c965-7de7-91e4-1fa4f9a1de9f · 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-2026-000083456
StatusPUBLIC

Content hashes

Canonical texted9a175774e6c943a3b753160de1a9c7405f3551653b1c3ed38a0802e543b2c5
Markdownb0210e79cacc2ba094ac15eeeb563b589d6aeda6ee4906fc902f9eed135ff0fc
PDF
Publication pagedc3325b9f93a1b10510149e7807038f5054183bb77ee27ed3c5b30035fae69ad
Manifest19ab2b40aafc494e4917b1f8cc1c98d37b0310d9673e0e375d9e372116f3814d

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
SignatureFDPxo8+0ijtw7Fguxlo7L7QquYasswmdIKrYswCw1cgBRsRvuJQHpfmpOPNqGdXe+q8LIE7PM4UlWJofRd1oCw==
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

2026-09-17T09:57:52.549326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083456
observed dc3325b9f93a1b10510149e7807038f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.529954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083456/manifest.json
observed 19ab2b40aafc494e4917b1f8cc1c98d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.511278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083456/publication.md
observed b0210e79cacc2ba094ac15eeeb563b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.493026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083456/publication.txt
observed ed9a175774e6c943a3b753160de1a9c7...
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.