OpenTechnical

OT-2026-000064835

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000064835) never changes.

Identity and time

Publication numberOT-2026-000064835 · never reused
Internal UUID01a0ae8d-debc-7dc0-a5f6-31730791300e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064835
StatusPUBLIC

Content hashes

Canonical text789931e7975ed8bb9bb444c1c9dd3863b478e433f3e2b4f8856cf8ed0c1c628e
Markdown1dcebf83b4e0b4f5531c44524968201b1c18e57149271b3be8b7149943d04b83
PDF
Publication pagefc8f1311a3db34837bc584b08b9bc3c87b0d7ce718e6f6c6edce4582fc61eb07
Manifestc5411512fc755b88630a03a79e0de96d56b608df05f6d86d604fd11293899f88

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
Signature1aqZb9dW3OdCPSua+p03nQY2jeAfc6GBMwKe995oht4HJK/RG+V7fo1kkSsnlMmdrz/AavsTHvjbVAkP28woBQ==
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

2026-09-17T10:35:44.627200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064835
observed fc8f1311a3db34837bc584b08b9bc3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.608550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064835/manifest.json
observed c5411512fc755b88630a03a79e0de96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.589916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064835/publication.md
observed 1dcebf83b4e0b4f5531c44524968201b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.570914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064835/publication.txt
observed 789931e7975ed8bb9bb444c1c9dd3863...
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.