OpenTechnical

OT-2026-000066630

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000066630) never changes.

Identity and time

Publication numberOT-2026-000066630 · never reused
Internal UUID01a0ae8e-ce41-74d0-813f-c926bf578a07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066630
StatusPUBLIC

Content hashes

Canonical text2d323ba3dd158e8adb5ef47dd24f48475607ebae943a15b07016cf6b6b24f38a
Markdown502af14f9e59043b2fd901cb1eb350f15099cbac4d70727e3585506d79da876b
PDF
Publication page90120a02329b36928ec94bbe6b89ccf9196fed1e6baa84cd6b4c0470bf79b82e
Manifestd41f194f2cfe600cdfbd50eb258323a502f8000f7af3a2aed20239e4a889e596

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
Signature3WIYnTk9H54khYG+21GIHx6xOkH3jTEvNFuYSly732V4VC55A8fc8UWT5MdvcD6HviHEfm5W2MHdCUMbg/bQBg==
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

2026-09-17T10:33:00.537133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066630
observed 90120a02329b36928ec94bbe6b89ccf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.519360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066630/manifest.json
observed d41f194f2cfe600cdfbd50eb258323a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.501560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066630/publication.md
observed 502af14f9e59043b2fd901cb1eb350f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.482347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066630/publication.txt
observed 2d323ba3dd158e8adb5ef47dd24f4847...
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.