OpenTechnical

OT-2026-000092959

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000092959) never changes.

Identity and time

Publication numberOT-2026-000092959 · never reused
Internal UUID01a0ae9e-090f-7d3b-8b99-814f22f427d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092959
StatusPUBLIC

Content hashes

Canonical texta48ae7eadfed78c391a8df0cea896f052effedbdbc3ce88c7b7c8559eb89044d
Markdownf424bdbd92996109181091b9953664b87b46604bf76dabcd64ae1fbe7c9c6a97
PDF
Publication page5ce52a15b83404cb865c8da4036e5110240f624c51dd32c5e1092b9b1cb57b4b
Manifest018bbe186a65491994ab0e4aad70d0b39ebd181e6dc038c9a92dc4bea3683b35

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
SignatureBHQdm/UsQ+FMUHg5caAezyKt4j6KlePG7i4FndSA/ImvPbzcFmRWA1URsYmBmP6c5Mp+YDjrg64bmHcwnl5TAA==
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

2026-09-17T09:40:08.981368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092959
observed 5ce52a15b83404cb865c8da4036e5110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:08.961175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092959/manifest.json
observed 018bbe186a65491994ab0e4aad70d0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:08.939830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092959/publication.md
observed f424bdbd92996109181091b9953664b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:08.915269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092959/publication.txt
observed a48ae7eadfed78c391a8df0cea896f05...
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.