OpenTechnical

OT-2026-000065733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000065733) never changes.

Identity and time

Publication numberOT-2026-000065733 · never reused
Internal UUID01a0ae8e-46fb-7a30-bcbe-7f8822d0647a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065733
StatusPUBLIC

Content hashes

Canonical text416b43d92c8029a5953db21e0d6e70e4cadfd71c106581e893aaf8b5b68e99ab
Markdown8c22996ead6b7dec0d878f4620e56e6a4756b2bc9f7da319d4a1b8b8f06c504a
PDF
Publication pageacaf7fcfee6fcdb6fea1d85c497b27d01cfd44750ea3dfd7ed01798a16eb2e7e
Manifestc646a9a952e58dd02e914661ccc38d89e868faa547aa4730061cea259fed00a1

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
SignatureAkC33NlW9xoS8otO6CtjfPucFjx0ZhgosZIb+h+rm6B4xOKq8Pa7nZpWwB4hadpA9voke9z8Oa7WVRYZA2O1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:09.584467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065733
observed acaf7fcfee6fcdb6fea1d85c497b27d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.568525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065733/manifest.json
observed c646a9a952e58dd02e914661ccc38d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.551384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065733/publication.md
observed 8c22996ead6b7dec0d878f4620e56e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.533454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065733/publication.txt
observed 416b43d92c8029a5953db21e0d6e70e4...
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.