OpenTechnical

OT-2026-000092661

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000092661) never changes.

Identity and time

Publication numberOT-2026-000092661 · never reused
Internal UUID01a0ae9d-b5ff-7827-881c-10a3d0344784 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092661
StatusPUBLIC

Content hashes

Canonical textfeca7095f11fd3b4abd90b536239d6914f0367db57ba2a181b81030eaa2ef0d6
Markdown704808190aa09397600f775cad4067c024693b7c7b762585ecff3b8923d688ca
PDF
Publication pagec84ba0b22950efb9dda9d29ed58595be9fbfdc2191594826d69ee78cd6bd3636
Manifest3b356ba1bb46dee005447e08fd1bb2af0519f5148470dbbcf4ad34b1078c57bf

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
SignaturefqufFhn3+zY7eL17EgZSnbTXjoft1orLdHXZs46cZRmxfEZjFMJXJ3L3+7DTgzLiFZbTPviuSHKX+cG/dVZbAw==
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

2026-09-17T09:41:16.237282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092661
observed c84ba0b22950efb9dda9d29ed58595be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:16.221370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092661/manifest.json
observed 3b356ba1bb46dee005447e08fd1bb2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:16.203283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092661/publication.md
observed 704808190aa09397600f775cad4067c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:16.183857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092661/publication.txt
observed feca7095f11fd3b4abd90b536239d691...
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.