OpenTechnical

OT-2026-000104323

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off 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-2026-000104323) never changes.

Identity and time

Publication numberOT-2026-000104323 · never reused
Internal UUID01a0aea5-3420-7ce5-9d94-b886120ba29d · 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-2026-000104323
StatusPUBLIC

Content hashes

Canonical textf055fa55a7f49244c96ed76a67bc49ed3a8adea3b5e45f80f3ce276c96e5f92c
Markdown296c684d2a07380d12f410bf64f846ff29ff033beb785d2423361af9faf9751c
PDF
Publication page6529de0c75d43d805e8846685090295d889a784db5bd049f89ede27aa8874743
Manifest8cc12a41ac384e6c511f985200d4050e884b5af30d2dd452a771ed024c886b87

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
SignatureZY2nMM+UqEi+Bwd84/SVfkquhhG8JSjjmAsup8ZdZ5nJnB2MH3aQ/HSU1lE6TMSk8Oqw7RTTmv7zMeG3jqbfAQ==
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

2026-09-17T09:21:34.448286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104323
observed 6529de0c75d43d805e8846685090295d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:34.430259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104323/manifest.json
observed 8cc12a41ac384e6c511f985200d4050e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:34.411805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104323/publication.md
observed 296c684d2a07380d12f410bf64f846ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:34.394778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104323/publication.txt
observed f055fa55a7f49244c96ed76a67bc49ed...
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.