OpenTechnical

OT-2026-000040752

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000040752) never changes.

Identity and time

Publication numberOT-2026-000040752 · never reused
Internal UUID01a0ae79-6d0f-74cf-8115-54ee6f317d4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040752
StatusPUBLIC

Content hashes

Canonical text9a05299e5b21bc5d61caeade43480235792ed1f82f0907774391ede403d85335
Markdown0804a54759277e9146e76863fb933f02e6e63f3e88f6a381a4fc037efa46213f
PDF
Publication pagee79ddcb58b9fd50a51a6c35b48f808b573b506283e7a59bf97850af222fa29ff
Manifestb4007de1fe5f5296b41f95dc43ac685e30a8a7c093c85c9255af731df44e81cd

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
Signature2ChvnUfmMVlK5DyoLvDEVPd2YDSyKL9v/NS7vvg/oUOe26pqM/HuPkOz1EGQlEYS6KTgGLqwfdLuk/D+42uzAA==
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

2026-09-17T11:20:03.023819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752
observed e79ddcb58b9fd50a51a6c35b48f808b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.003896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752/manifest.json
observed b4007de1fe5f5296b41f95dc43ac685e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.987405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752/publication.md
observed 0804a54759277e9146e76863fb933f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.969580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752/publication.txt
observed 9a05299e5b21bc5d61caeade43480235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:30.886912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752
observed e79ddcb58b9fd50a51a6c35b48f808b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:30.870890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752/manifest.json
observed b4007de1fe5f5296b41f95dc43ac685e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:30.852836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752/publication.md
observed 0804a54759277e9146e76863fb933f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:30.837191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040752/publication.txt
observed 9a05299e5b21bc5d61caeade43480235...
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.