OpenTechnical

OT-2026-000093238

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000093238) never changes.

Identity and time

Publication numberOT-2026-000093238 · never reused
Internal UUID01a0ae9e-0911-784f-bb4c-b2f1dee81a5b · 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-2026-000093238
StatusPUBLIC

Content hashes

Canonical texta13ca5fbdfd6d2c395a22f6ac2207a3cc5962bf0209300089b0a144d1e2578e3
Markdown7230dce591a14f6ccd42e76cfa90dbbfd215d942514334ded4c1c40027332004
PDF
Publication pageb403a21cb7c3459dd67e45b2a1fe384ee6f4545c8709312db398eaba75a397cd
Manifestf4d27546d33220425ce455ee632639c1bb6ea238ab5f3aac8340e9b9e777299b

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
Signature9MYKHi+3E/O9efJgmykEreJLrJ8WDGD2vDlelLbMVS05Qh1Vc8C7oCZt51JQ0Ia+6zfFEZlgJr8pfUA3drptDw==
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

2026-09-17T09:40:35.303913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093238
observed b403a21cb7c3459dd67e45b2a1fe384e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.283714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093238/manifest.json
observed f4d27546d33220425ce455ee632639c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.264268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093238/publication.md
observed 7230dce591a14f6ccd42e76cfa90dbbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.244075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093238/publication.txt
observed a13ca5fbdfd6d2c395a22f6ac2207a3c...
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.