OpenTechnical

OT-2026-000091466

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091466) never changes.

Identity and time

Publication numberOT-2026-000091466 · never reused
Internal UUID01a0ae9c-f16d-7585-af56-b309a52ecab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091466
StatusPUBLIC

Content hashes

Canonical text7235045712ea19e00945a2d7be3b37766df4ce39949b9d12d86784a3935aae65
Markdownd064fa27fd7b993cdd4b238d7b32e810322e7cab2b95657ca70d4afcde43e2b9
PDF
Publication page552b5f558d26f397e0669e08fcceea771d0febdae3f2d4af28e168c6f33b5908
Manifestdb4542c2745e898f1c31d9ab4250fe1b80ae0fab3127d7089d63c1a125cad62d

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
SignaturegxbJmd73YkSsZmkqpLkXJoZFEhkwww5M1bj6KYd+LLXbz6xKIXwGQifuBYt3zeGJrOGFEy+aYUynZsHIIqYHBg==
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

2026-09-17T09:43:43.034365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091466
observed 552b5f558d26f397e0669e08fcceea77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.016830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091466/manifest.json
observed db4542c2745e898f1c31d9ab4250fe1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.999529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091466/publication.md
observed d064fa27fd7b993cdd4b238d7b32e810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.982806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091466/publication.txt
observed 7235045712ea19e00945a2d7be3b3776...
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.