OpenTechnical

OT-2026-000084558

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000084558) never changes.

Identity and time

Publication numberOT-2026-000084558 · never reused
Internal UUID01a0ae98-e25b-785f-b706-c46963c21cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084558
StatusPUBLIC

Content hashes

Canonical text3d9f23b11a17c405aea2731f44339b9c085a54927235618929017b168a2001cc
Markdown7b47b787812a3f45227e6695f9ed58946c8ac39d8826c32a05e21c918c0d7299
PDF
Publication page6c87162bc3bdcdb17428d6ec21de8f67ed8e16eabcf75d18722f4559b2fb3bb6
Manifest2d0be7bbe0789577cfad184939f22f665defa5bf7db3b0a81452a40a6dac0b4d

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
SignaturenI7VlcGuurXR3Op4E6jFR7Vy8tY9nR75Xfbwx199d/B+VIYXfAQKJLi6ueKG2NwN3ryYajLvfSCYiJG00GkgAA==
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

2026-09-17T09:55:27.114961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084558
observed 6c87162bc3bdcdb17428d6ec21de8f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.097164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084558/manifest.json
observed 2d0be7bbe0789577cfad184939f22f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.077447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084558/publication.md
observed 7b47b787812a3f45227e6695f9ed5894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.060126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084558/publication.txt
observed 3d9f23b11a17c405aea2731f44339b9c...
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.