OpenTechnical

OT-2026-000013598

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013598) never changes.

Identity and time

Publication numberOT-2026-000013598 · never reused
Internal UUID01a0ae6d-6fcb-79e8-bfc4-4574f1aab7e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013598
StatusPUBLIC

Content hashes

Canonical text3c19f3067408f34b5a63b1dc1ec71547239292197603f237de25a09770d6b26c
Markdowncfd086aed0dfda16582b1776f4a6e0873fdbe609ebd42abf963d6c0c3150b4b9
PDF
Publication pageda5b3ebc09fcd85f2094e14f30957f16fb8792d04df47b47119bc822cabd5a49
Manifest2465c473f2ec5da7c1902ec0f2a4a4486e5a7c73a5e4259c1ee8f105b7df6ac7

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
SignaturehYoRX88FqS6qDehMvN/JDFUIsYyEagIOF2CusNnQQk5672WQ4SrjPpWBONXo2MDVSj52RjNFc0EEB33bCWMCDA==
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

2026-09-17T12:10:09.177871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013598
observed da5b3ebc09fcd85f2094e14f30957f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.157375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013598/manifest.json
observed 2465c473f2ec5da7c1902ec0f2a4a448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.134041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013598/publication.md
observed cfd086aed0dfda16582b1776f4a6e087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.111990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013598/publication.txt
observed 3c19f3067408f34b5a63b1dc1ec71547...
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.