OpenTechnical

OT-2026-000017977

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000017977) never changes.

Identity and time

Publication numberOT-2026-000017977 · never reused
Internal UUID01a0ae6e-96fc-7865-aef1-d0bb78f543aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017977
StatusPUBLIC

Content hashes

Canonical text500b1495594436b2ab9b3cdb9b9ace7ad902782934b6910207007b332adb003a
Markdownc2b6aca52946b9c41b6ee2f97fb9b13ed24bcc1952bf44ad3040ef14906686d0
PDF
Publication page60333f3c4a5796338f13c2eacb601bb20658e97aeefd936a3e2a659f42ac9abe
Manifest748b67baacfecb10040e380244365aabcc12d8ddbcb552b3e0651a80b9e70824

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
Signature0BeEtUKPKkKWhQTMDKCF8zfFY8axiv4y+vqhExhPwQyFuoGLjXmsnpFRPBsThjjweNtMEoq6QRA4DNImrFiMCg==
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

2026-09-17T12:01:59.613959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017977
observed 60333f3c4a5796338f13c2eacb601bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.597610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017977/manifest.json
observed 748b67baacfecb10040e380244365aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.577526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017977/publication.md
observed c2b6aca52946b9c41b6ee2f97fb9b13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.560746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017977/publication.txt
observed 500b1495594436b2ab9b3cdb9b9ace7a...
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.