OpenTechnical

OT-2026-000104477

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off 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-2026-000104477) never changes.

Identity and time

Publication numberOT-2026-000104477 · never reused
Internal UUID01a0aea5-3421-7fd8-8fa4-363611ef39fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104477
StatusPUBLIC

Content hashes

Canonical text999ae460867e987c54f58b4920a4ab9db268c85e23ab028d5175c5f07441972d
Markdown4bdbcef276940cb751286692a83cf1abcf6eb466570c9e1fd8cffe2150043185
PDF
Publication page7738b3115d5c8faaebd430fadf973859a214f2d64ebcaba5b6a2960e98eb00be
Manifest0c892429e60e574a144a61c7a195ab9a6ecdfbfff95452b430f75b637d35f70f

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
Signatureb+RJZdOxX8XbzmfLD4ccnq5GmVyczOUrTXOWp73WvcfoS4I0XIVikhGuVg8jonHpASMEKYrbFIQ5N7ga088tCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:45.813345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104477
observed 7738b3115d5c8faaebd430fadf973859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.796391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104477/manifest.json
observed 0c892429e60e574a144a61c7a195ab9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.777997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104477/publication.md
observed 4bdbcef276940cb751286692a83cf1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.753026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104477/publication.txt
observed 999ae460867e987c54f58b4920a4ab9d...
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.