OpenTechnical

OT-2026-000026922

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000026922) never changes.

Identity and time

Publication numberOT-2026-000026922 · never reused
Internal UUID01a0ae72-3452-70be-bfeb-68a60f6b0525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026922
StatusPUBLIC

Content hashes

Canonical textc87e5b420a7faae57a581ca812bc6422411ecb1557c1f7009e1e796d209cf421
Markdownc46a45617fe17e76bfd7a065e26117ea8a71c6699ef5ef73c8908e9c72f45cbc
PDF
Publication pageb25275fd1fdd663f568e58b2f3a87842738873a649f32f69de0dac91347819c3
Manifestb913e0b59f489089db026e8b88e01bd33511aeba7349dcfe37da8c2a36dccf78

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
SignaturevECYHzvPK9SfUuBUn4ScK6Mt7NamJ+qAH9d8X+ecXdvDrjrYDdLy2rHNJSdyicE4bYqTT6iYBO8pYrxwU85GCw==
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

2026-09-17T11:43:32.254986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026922
observed b25275fd1fdd663f568e58b2f3a87842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.238434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026922/manifest.json
observed b913e0b59f489089db026e8b88e01bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.221275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026922/publication.md
observed c46a45617fe17e76bfd7a065e26117ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.202757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026922/publication.txt
observed c87e5b420a7faae57a581ca812bc6422...
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.