OpenTechnical

OT-2026-000030762

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030762) never changes.

Identity and time

Publication numberOT-2026-000030762 · never reused
Internal UUID01a0ae74-3fb4-788b-bc06-a2fb0dd018ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030762
StatusPUBLIC

Content hashes

Canonical textb25ffb6aff7f32e673759691d1259e6608e422c12cdb561097c61bded91eabf2
Markdownbc4e4f07ff861a729dc61cdbfe9c17b41e6c3b706b7470b46b15383770fc2640
PDF
Publication pageb991835e4dc450c274ded8ad8cea43c851ba35a6d6e8109da1f74cab0e17b428
Manifest3041576d6f7104b43123f73e4f50ab62103d19adcc2f977cf6caea9ec91b03fb

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
Signaturev64OPt991523rovkM9FyUN1uIK9R4CUo+Qm9kRlH6Km0dyiSXCo5Hz+bxpE1tUjlZDbKNYn129dHDez0rK9ACQ==
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

2026-09-17T11:36:42.865162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030762
observed b991835e4dc450c274ded8ad8cea43c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.815402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030762/manifest.json
observed 3041576d6f7104b43123f73e4f50ab62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.798822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030762/publication.md
observed bc4e4f07ff861a729dc61cdbfe9c17b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.781316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030762/publication.txt
observed b25ffb6aff7f32e673759691d1259e66...
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.