OpenTechnical

OT-2026-000030429

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000030429) never changes.

Identity and time

Publication numberOT-2026-000030429 · never reused
Internal UUID01a0ae73-e503-7a7a-97d2-2f02d26c3671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030429
StatusPUBLIC

Content hashes

Canonical texta76ab6141f37c48119395fedb1ac7a7e97e11e88c03427f2f351002559ffc2e0
Markdown2d09aad1d7ecbc993a9505c908c1e954619520c2e38b5a45a0d1de332b9edab0
PDF
Publication page93e8d86376881c1cbb9cccd45f368995010342371af6f09a6fa68751e8252ed9
Manifestc06aab615ef9abf2411eb87a9d2082e3ab80fca4a77865d4dc40383b6a713b9b

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
Signature/BPWWPfyjGI0nqIjczvvMO53qDsnU4+sfRSQq7Aq4FJUKW0sPuilbBqkRM42fPFg5rXYlh/s5cPZ7r+1p8qNCw==
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

2026-09-17T11:38:09.967124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030429
observed 93e8d86376881c1cbb9cccd45f368995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.950689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030429/manifest.json
observed c06aab615ef9abf2411eb87a9d2082e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.932398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030429/publication.md
observed 2d09aad1d7ecbc993a9505c908c1e954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.914158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030429/publication.txt
observed a76ab6141f37c48119395fedb1ac7a7e...
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.