OpenTechnical

OT-2026-000104339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off after set-down

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-2026-000104339) never changes.

Identity and time

Publication numberOT-2026-000104339 · never reused
Internal UUID01a0aea5-3421-7f06-8faa-9d223bbfe2fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104339
StatusPUBLIC

Content hashes

Canonical text4ad8949cd6816fa5d72052fd0bbedd231e4d79cd3e1b75358116ebdd05ca2b5c
Markdown90b4d68fe704a143f5a21afa9224789bf2a92da2d9a8e0c818814b2a4c02f883
PDF
Publication page56ff8b62a46f5d4b9e43ae3455c63aae3cdd55f6ec85539a5db988b243fedabd
Manifestd5fad49c9f328fbf7416c6a88e5ac29d5af2779bc2c6783b83d6430f4049610d

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
SignatureUIU9c94cQ27k5vOOs6YeZXarZ1h7r/Oq70wPDNJ8RcGteM6ChJ4iFt6kXTO/QmpK5vdXCUFF6aIHwm2MkEw6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:35.628162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104339
observed 56ff8b62a46f5d4b9e43ae3455c63aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.610142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104339/manifest.json
observed d5fad49c9f328fbf7416c6a88e5ac29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.590423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104339/publication.md
observed 90b4d68fe704a143f5a21afa9224789b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.571408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104339/publication.txt
observed 4ad8949cd6816fa5d72052fd0bbedd23...
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.