OpenTechnical

OT-2026-000022908

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000022908) never changes.

Identity and time

Publication numberOT-2026-000022908 · never reused
Internal UUID01a0ae70-46eb-791d-ad48-7c12f70e888b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022908
StatusPUBLIC

Content hashes

Canonical textf2e20156c7bfa0c06fac5a7721ac40ffa83f1c8654ece8a2e29d098e7b6acb16
Markdown304a2a485bb5c58ffcd96b03738eb8fbe017ed09aa798f8c94b8b7cd3ba0ea0d
PDF
Publication page2e1b0a3ca16c4c8c13dd7735cfd0e5a03476a8e15797d31c2a2b607168ab97f7
Manifest050d0f6affbaef57581d2b18d7f6f1e4162196584e4358342395958ab36a49d1

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
SignaturetLjhIHZwbdCd1XdVrw1K8FHp1bNVDR7NQMlyrfOpkDepz5v9lvrSQZBGn88z7tWhk+7K2VZW26Rkt7UMCRPmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:28.918471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022908
observed 2e1b0a3ca16c4c8c13dd7735cfd0e5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.901646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022908/manifest.json
observed 050d0f6affbaef57581d2b18d7f6f1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.883385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022908/publication.md
observed 304a2a485bb5c58ffcd96b03738eb8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:28.865654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022908/publication.txt
observed f2e20156c7bfa0c06fac5a7721ac40ff...
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.