OpenTechnical

OT-2026-000029389

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000029389) never changes.

Identity and time

Publication numberOT-2026-000029389 · never reused
Internal UUID01a0ae73-5e20-7cb2-af27-6b3ebc427a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029389
StatusPUBLIC

Content hashes

Canonical texte9ea74db109390dbddd60ccf7368d58867e949255e44371b94882d90bc8e1925
Markdown076cfd947053b5a79f178ff2fb1f48e7ed699bb7411ebd5269e29932f1742a05
PDF
Publication page48a6ff5686ff394272c06d425ded04f5b03c9277c6989d60589050b5db96d639
Manifeste14b1b28726d18d1628c556b91043407c3d185d4fd15988ef2f7e440b509cc26

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/BmXwSBJU4hCbvNCPEsZ+QfztQ8fKtAR5pzoZqdBIoDyiCMxckdxYxQGTRSGxFkz0IXpyHGdjTN7igGBp1zCBA==
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

2026-09-17T11:38:57.397813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029389
observed 48a6ff5686ff394272c06d425ded04f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.376777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029389/manifest.json
observed e14b1b28726d18d1628c556b91043407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.357778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029389/publication.md
observed 076cfd947053b5a79f178ff2fb1f48e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.339039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029389/publication.txt
observed e9ea74db109390dbddd60ccf7368d588...
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.