OpenTechnical

OT-2026-000064463

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000064463) never changes.

Identity and time

Publication numberOT-2026-000064463 · never reused
Internal UUID01a0ae8d-a461-74ed-9a6a-1a031b30133c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064463
StatusPUBLIC

Content hashes

Canonical texte13b1f0bdc59cdbc7e31aa3451b47d74efc4e76da312fedea48aff982f058ba9
Markdownfa5e9126ce8e68ddfe561c559033d2bb6c1317cb98d95735096b71a1a1cc8871
PDF
Publication pagef8dda2ffe9ebcf768efe4fc77fb91caffc7eb06f509a9f5a8e8388d600bea8d6
Manifest1187ea2bf2e316ac0a93f2701c06f047af07931a5c4260cb981d3ebe8c899c49

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
Signature0+fOMSGHrxsJc6jcqvco06vLXUWGtKEW9TqIXK2+mXGZV9rW4VjTtegS0P0EiWG15N7kdzSjjTNeaoWYnRxjAw==
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

2026-09-17T10:36:39.232393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064463
observed f8dda2ffe9ebcf768efe4fc77fb91caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.213967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064463/manifest.json
observed 1187ea2bf2e316ac0a93f2701c06f047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.196588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064463/publication.md
observed fa5e9126ce8e68ddfe561c559033d2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.179139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064463/publication.txt
observed e13b1f0bdc59cdbc7e31aa3451b47d74...
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.