OpenTechnical

OT-2026-000078660

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000078660) never changes.

Identity and time

Publication numberOT-2026-000078660 · never reused
Internal UUID01a0ae95-7c2a-7840-a723-5a3e2300f37e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078660
StatusPUBLIC

Content hashes

Canonical textf3bc6d1a7b52a535bbb6670c5bd84f553799f7d4d9f2730844f29d5c82fab395
Markdown77218d866b1230db61d62a78f27a4fc93c471091b956af9a3ea73e49805ffb7f
PDF
Publication page696d55edd838fef1169d231324a997e4754f8b0261161ffa5c1ea1f717e23b24
Manifest7abe3f9b6de9c3f3e3598239abdae9187897c6758bbf4260c3de73e9517fb53a

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
SignatureWbXqHpBen4V116s4zRQo8R7dtXKX/91gde+q6uCYFnJzJORFb9BhDHhNrAdEb/AfUoVc6osnwtHlmbxk3PUECg==
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

2026-09-17T10:06:42.475488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078660
observed 696d55edd838fef1169d231324a997e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.457501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078660/manifest.json
observed 7abe3f9b6de9c3f3e3598239abdae918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.439586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078660/publication.md
observed 77218d866b1230db61d62a78f27a4fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.421332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078660/publication.txt
observed f3bc6d1a7b52a535bbb6670c5bd84f55...
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.