OpenTechnical

OT-2026-000013745

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000013745) never changes.

Identity and time

Publication numberOT-2026-000013745 · never reused
Internal UUID01a0ae6d-8de9-7209-b7f0-9f93acce1f24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013745
StatusPUBLIC

Content hashes

Canonical text472b6bd0b19d5cc72c5a34e67bae756205440400ab97567b7da94d57103a994b
Markdowna35700374f4c962d2ed391b5bfe6e01afbf787c72bc8bb339a77a68e722153c0
PDF
Publication page91db771e663b2d520cccda08b29732467c736c89b44a8179a579cf196f452f80
Manifestdbee7db157fb9f73b034006e129cf4bbe19424aed597edaeec503dc69bb2ca55

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
SignaturevkCuMlzotxe2uQg2SogN/bmm8M1AthpGt+4vwGpg+4mr2XsNkQipjqE4OryZt9VD43M7jO04qPfES/FOMv9mCw==
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

2026-09-17T12:08:48.589020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013745
observed 91db771e663b2d520cccda08b2973246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.895101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013745/manifest.json
observed dbee7db157fb9f73b034006e129cf4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.877171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013745/publication.md
observed a35700374f4c962d2ed391b5bfe6e01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.859721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013745/publication.txt
observed 472b6bd0b19d5cc72c5a34e67bae7562...
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.