OpenTechnical

OT-2026-000025138

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025138) never changes.

Identity and time

Publication numberOT-2026-000025138 · never reused
Internal UUID01a0ae71-5fa5-79a0-8aa5-6e6a636ed1e4 · 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-2026-000025138
StatusPUBLIC

Content hashes

Canonical text8c50599e17702d91643f876256ad5ee5463c51a51905d9f36f38ba41acd03f66
Markdownaf87cd75eed043ffe2a92356614a19342dca8b507d9e8dcb501fc81c10aa8eeb
PDF
Publication page698b48e62cc1ef0dbec28baf358461a693097b49d3b4b9842edb724920e4f6e0
Manifeste76de51cd36b40b08a8b3d7085e6ebb8325a33127309e9d29992fe2f02dfd5f3

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
SignatureDBmaQc/gvL10ngUEgVrDz8USr981iLjy9kdEZyvJETAsMiJWD66ZZ2Y2zFR0KFac5sx/SMhjJEBR5/J84vxcCw==
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

2026-09-17T11:47:01.204273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025138
observed 698b48e62cc1ef0dbec28baf358461a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.186445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025138/manifest.json
observed e76de51cd36b40b08a8b3d7085e6ebb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.166268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025138/publication.md
observed af87cd75eed043ffe2a92356614a1934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.144569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025138/publication.txt
observed 8c50599e17702d91643f876256ad5ee5...
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.