OpenTechnical

OT-2026-000080390

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000080390) never changes.

Identity and time

Publication numberOT-2026-000080390 · never reused
Internal UUID01a0ae96-7e78-7666-b391-f0ece9c7e28a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080390
StatusPUBLIC

Content hashes

Canonical text178b127abaa73dc4cad9d370d697e8dcae4d90dffb204b9b2f4b35ef82b258f0
Markdown0c849f44e01a68a99bff3d9be585bfe6d046744709ef406a0ad643fd5326036f
PDF
Publication page2c971c2cb9ab7d3c6266f3d37c7bf496341d4f4b8adcd3ece45b6f76566537d1
Manifest50404b06e45529be5858a29a58f883f10b6f015a09e972144a2790915984af56

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
SignatureosiXjnUfvbHS69xnrX2JhuLblcKQl0sEaFhdtp2EmX4EarSyVsH4wg0URVdRpG9Fnr5xxGuv3m14MbE5ddH7Aw==
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

2026-09-17T10:02:53.275352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080390
observed 2c971c2cb9ab7d3c6266f3d37c7bf496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.256375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080390/manifest.json
observed 50404b06e45529be5858a29a58f883f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.237986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080390/publication.md
observed 0c849f44e01a68a99bff3d9be585bfe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.220005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080390/publication.txt
observed 178b127abaa73dc4cad9d370d697e8dc...
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.