OpenTechnical

OT-2026-000025392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000025392) never changes.

Identity and time

Publication numberOT-2026-000025392 · never reused
Internal UUID01a0ae71-5fa7-722c-adb5-f246994774e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025392
StatusPUBLIC

Content hashes

Canonical textdb7ee03ef5c9c09a70d4e8889bb06fdb50ffcc97ebd3634eba26acc82a9c6d3c
Markdown60fd49b3adda6e80009bf59706a4a99ccc0eb8388c7bd96eae9851b643f282bf
PDF
Publication pagee1b92434c87d85b8f0a1b2905af83479268e39f0578191ccd5ccec0ee7083a33
Manifestf774bff113b2d0622a5362aa5e409ce66594573a1f249792026894e2c7ba4940

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
SignatureUosfw8jLXiuG52Vc1rRQcHa3u4L5z9ga7O1s11ytOTA3frvO96RLZ4OQcj/FqmINdlBxUxX2It9CMQVUdFtoBw==
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

2026-09-17T11:47:27.593659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025392
observed e1b92434c87d85b8f0a1b2905af83479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.576241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025392/manifest.json
observed f774bff113b2d0622a5362aa5e409ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.560841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025392/publication.md
observed 60fd49b3adda6e80009bf59706a4a99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.543617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025392/publication.txt
observed db7ee03ef5c9c09a70d4e8889bb06fdb...
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.