OpenTechnical

OT-2026-000045459

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000045459) never changes.

Identity and time

Publication numberOT-2026-000045459 · never reused
Internal UUID01a0ae7c-f76d-7149-96d0-de8dbf10240c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045459
StatusPUBLIC

Content hashes

Canonical text3b90e8270f4bda41d9e889a186ab7d6f2e8e38f43e7737224ab389876cc88b56
Markdown156a62d6095319ed61bd85d2db7189286d2e8dc548c48fe450869c3f9b8d2ff8
PDF
Publication page048acaf00abe50965ab28bd0078eb031a64efb7991d38f910731b7ce938cf80b
Manifest56ff6371a81078206fdc140c2abd92b280edc4d05ca683098505ca249a26fe9d

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
SignatureZtXPzy9mwQBbvl1mQe1yMnHXhkIgVbQZWNIV5RWihzQBxaMNcYJfR3m7xj5nfhxeJLCaDPTMdzb7qN/5BeXNCw==
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

2026-09-17T11:10:45.906675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045459
observed 048acaf00abe50965ab28bd0078eb031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.886991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045459/manifest.json
observed 56ff6371a81078206fdc140c2abd92b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.867103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045459/publication.md
observed 156a62d6095319ed61bd85d2db718928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.846379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045459/publication.txt
observed 3b90e8270f4bda41d9e889a186ab7d6f...
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.