OpenTechnical

OT-2026-000082012

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000082012) never changes.

Identity and time

Publication numberOT-2026-000082012 · never reused
Internal UUID01a0ae97-4d92-7eab-89b8-677f9b1cfed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082012
StatusPUBLIC

Content hashes

Canonical text6ade63353d47504efdc22f447868bc6dee2231e79dcbd4eda03db934b2ae7c77
Markdownda2ae9566e8ae1247af29a9d0302a4cc4e0fd7e109b2fc5a13d06d1524db7e54
PDF
Publication pagee57da9bcde81af3d23536ffa0aebf333a36fdfcbad6c892910487a817af00d31
Manifest9b2c2089d6e5910cfdcbd6477b3e2e275977cc86b4bfd04658a22b4c83af4990

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
SignatureRs/mkq3edsRQiVHDywdMWhJAbzXI5eudMj6qCFqmsTD6PE8HManfnxObXCxhII3CNQFM+jiXYPjk1Wj7+KzxAA==
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

2026-09-17T09:58:43.582816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082012
observed e57da9bcde81af3d23536ffa0aebf333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.565644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082012/manifest.json
observed 9b2c2089d6e5910cfdcbd6477b3e2e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.548580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082012/publication.md
observed da2ae9566e8ae1247af29a9d0302a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.529738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082012/publication.txt
observed 6ade63353d47504efdc22f447868bc6d...
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.