OpenTechnical

OT-2026-000029726

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000029726) never changes.

Identity and time

Publication numberOT-2026-000029726 · never reused
Internal UUID01a0ae73-5e23-7073-9ccd-96a6efcf48aa · 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-2026-000029726
StatusPUBLIC

Content hashes

Canonical textb923c00d2cb5bf92e5ff30e86375c05622f0d2d5a0d4558686ce07d9084f142c
Markdown2a5e4a51a3dc201c543426acbdbd4e986d107964bfa3db3597b1a295b3d21e21
PDF
Publication page9262b35fc85e869fed358435e70329a18052a42779eb6ed9b76c9575b6479186
Manifest0b70be04b50796c1ce550f82e8a79666818ad06472d05bf62bc149e29d0a61b2

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/v9v4Qz/Jwyh/mL1zaIVkSxdBkapLbGYCbNntCMYKxt1JI26wsP4znwQUb0wibL7hCfwlt46qP2vOY56131oDw==
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

2026-09-17T11:39:28.314786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029726
observed 9262b35fc85e869fed358435e70329a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.491325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029726/manifest.json
observed 0b70be04b50796c1ce550f82e8a79666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.472463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029726/publication.md
observed 2a5e4a51a3dc201c543426acbdbd4e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:27.450151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029726/publication.txt
observed b923c00d2cb5bf92e5ff30e86375c056...
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.