OpenTechnical

OT-2026-000031340

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000031340) never changes.

Identity and time

Publication numberOT-2026-000031340 · never reused
Internal UUID01a0ae74-87ac-75cc-9c85-be8da9fd277b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031340
StatusPUBLIC

Content hashes

Canonical text9deba0f6146d3df1e3d008bbb837762714602443cf1b69c2d9dbfbcd1a5c6c88
Markdownbf6328e170e74400bdf4e2f8e8aa7a0f4bd8fb0fe0975d0cac8be340f77e9f92
PDF
Publication page0f860c42ccc8aaffe820ceb5fa9d1ce9cabae3c0a153ed6620e4d2f779f28ecd
Manifesta5dc1cdfd8c125605eb3ef0de4ee02b0a4538e08ecf30381eae65153c0e34f66

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
SignaturebkKWtVaHpF+JvyMIUBnXcWJt9fRgGlfgfOK0jTh5YwKm8+xqe7CrFwJba2RnNDJ/FIPLEvhyD0N7UbC6gWzcBA==
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

2026-09-17T11:36:02.175150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031340
observed 0f860c42ccc8aaffe820ceb5fa9d1ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.157453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031340/manifest.json
observed a5dc1cdfd8c125605eb3ef0de4ee02b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.140703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031340/publication.md
observed bf6328e170e74400bdf4e2f8e8aa7a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.121222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031340/publication.txt
observed 9deba0f6146d3df1e3d008bbb8377627...
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.