OpenTechnical

OT-2026-000070013

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000070013) never changes.

Identity and time

Publication numberOT-2026-000070013 · never reused
Internal UUID01a0ae91-1861-798e-ba0e-c9f18fb1fe7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070013
StatusPUBLIC

Content hashes

Canonical text68a616e36580060c057482408d82e5757daa6c6bf7e15e0a0baaaf95bcdf0c10
Markdownc74061a16c0e94c9c931bc803f3a1b8881e070dde5bb07e89664ac9b63469d21
PDF
Publication page19db9ccdee200a138f6f81240a517e77978b8484b987804ef9b100ccbdae0f02
Manifeste53b177b7423838e56ce0843c0d2737baa843e8006f32ae277e55cef35628976

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
SignatureE4bvFgL6inK905rb3vRKBMrmEiAYe4rUSYIWpivfsK6RwB4WtsawN4fo+C3yQIjGPqNZ+pQPM/Bh8Ke/eSEIAw==
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

2026-09-17T10:26:57.905099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070013
observed 19db9ccdee200a138f6f81240a517e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.887831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070013/manifest.json
observed e53b177b7423838e56ce0843c0d2737b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.870107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070013/publication.md
observed c74061a16c0e94c9c931bc803f3a1b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.852687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070013/publication.txt
observed 68a616e36580060c057482408d82e575...
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.