OpenTechnical

OT-2026-000085589

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000085589) never changes.

Identity and time

Publication numberOT-2026-000085589 · never reused
Internal UUID01a0ae99-aaac-783f-944f-e088a9fd90c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085589
StatusPUBLIC

Content hashes

Canonical texta00453b9c690d5e6ce6b60b8a4b18532d8adeceb391179ab8dc9f8dadcfbb883
Markdownbe5b861e0a3f8c761e9e1ed861349a38a6fb6f964c75d0bed12e3d506c4d11a1
PDF
Publication page9857c524dc09914dc399ad73210ae799e0e6fd85975179a72be71e0abce00250
Manifestc615cab7e07bd155bd30ae173dea65c35d0e3278d3e77f4bd61940fb74c0aa35

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
SignatureYHSrWu/1/5MifaatUCAe5s+r162VzHDJUkXL1s6TPfzTwkAQygr62QbMfPn8XHDb9d9Bmt0ebr1/5e25doyRDQ==
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

2026-09-17T09:54:27.745531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085589
observed 9857c524dc09914dc399ad73210ae799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.728535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085589/manifest.json
observed c615cab7e07bd155bd30ae173dea65c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.707423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085589/publication.md
observed be5b861e0a3f8c761e9e1ed861349a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.688146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085589/publication.txt
observed a00453b9c690d5e6ce6b60b8a4b18532...
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.