OpenTechnical

OT-2026-000006904

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, contact triggered, polyurethane cups, oval form

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-2026-000006904) never changes.

Identity and time

Publication numberOT-2026-000006904 · never reused
Internal UUID01a0a96b-9839-70da-8d0f-d1ec2ec5de22 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:15.966715Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006904
StatusPUBLIC

Content hashes

Canonical text101a1c1ec7477b9cce7d10900a2c1b3e68febf6bf9d36e7fdb977b5c6953986f
Markdown98e032ed4b015f3a210977fb0fc5a0d41f0ced4ad0c677e8c3076bd7d0f9de86
PDF
Publication page22d88131af8e08c137a19a1e0184a062cb050b2c6636a2960f48d5509f053437
Manifest9879c6038c2d1db3d9b4a20544d271d6b05ebc85676761c89d1c4e89edafa4d3

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
SignatureOgqeURkVE3hh7+skh2KZE+RqmCf5p5uIFIEnSENXxqsfjaSXs6CvlYhIohNj65ZmmZvHmji/mrqoSuqb8+1vDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:23.661199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006904
observed 22d88131af8e08c137a19a1e0184a062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.648817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006904/manifest.json
observed 9879c6038c2d1db3d9b4a20544d271d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.635538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006904/publication.md
observed 98e032ed4b015f3a210977fb0fc5a0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.497795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006904/publication.txt
observed 101a1c1ec7477b9cce7d10900a2c1b3e...
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.