OpenTechnical

OT-2026-000089142

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000089142) never changes.

Identity and time

Publication numberOT-2026-000089142 · never reused
Internal UUID01a0ae9b-db00-794d-8d99-1df25e3c0f9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089142
StatusPUBLIC

Content hashes

Canonical text346f88747c721e950075c02947ac512b6a21f79c3f72d0c5da6c8a72406e8fc4
Markdown46b21a6d76f0e4a8940d5c54e14367c6fbd50ea0c19a7b65f2fbf69893dafc3f
PDF
Publication page890af297a7876d918719b8d568bdc28d8cc8e3fe7d26a1f5ea4567591e022d99
Manifestc523fbbe9f1b613cc4da708689eacfe7788344c60cdbc5a1f45b803098e99831

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
SignaturejQuX4TQ6qujEUKJFqSMpTWwo8wgUGOvjL1UvOWMhaEg/84/BEiXkJGNQVtEfDHtAxcVK+hqByBaFZWX08LTnAQ==
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

2026-09-17T09:47:03.688588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089142
observed 890af297a7876d918719b8d568bdc28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.671872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089142/manifest.json
observed c523fbbe9f1b613cc4da708689eacfe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.654565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089142/publication.md
observed 46b21a6d76f0e4a8940d5c54e14367c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.636681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089142/publication.txt
observed 346f88747c721e950075c02947ac512b...
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.