OpenTechnical

OT-2026-000097772

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000097772) never changes.

Identity and time

Publication numberOT-2026-000097772 · never reused
Internal UUID01a0aea1-92f5-7d6e-b506-8322a574136d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097772
StatusPUBLIC

Content hashes

Canonical textd4e5a7ed98dd5c7cfabb34aa9b9df21698ee27f9a811b194b9b1b91d0dba2a65
Markdownc5132e69a4965ed009283403aedaea7d28e7a93762c02090cd641537da9b35d7
PDF
Publication page7f59545e364daad8d1e125f21415db0cad1ad2640d58bf830dbc15388bb0d1cc
Manifestba116beb0ab5f6b29e984c8e56e93bf87739ec2efaded7d78bfdc028199fc551

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
Signature6kzk5b+RWgVNNRDcWvc+wqghrmGM7nv33ffBTmX0t4K75YXAAkufnDswInIF6jUPWY++dTfUYOIyBAEgFM1QDQ==
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

2026-09-17T09:32:50.947600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097772
observed 7f59545e364daad8d1e125f21415db0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.929381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097772/manifest.json
observed ba116beb0ab5f6b29e984c8e56e93bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.913048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097772/publication.md
observed c5132e69a4965ed009283403aedaea7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.893936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097772/publication.txt
observed d4e5a7ed98dd5c7cfabb34aa9b9df216...
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.