OpenTechnical

OT-2026-000065267

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000065267) never changes.

Identity and time

Publication numberOT-2026-000065267 · never reused
Internal UUID01a0ae8e-1dfa-7da3-ae70-1fcf855356d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065267
StatusPUBLIC

Content hashes

Canonical text944e92f1078b365d96cc5da38c254d008ff0b82c24fae80b5f3e71fe34da9422
Markdown66aedc112a00eb00fe250fb181aba5207ce951dbec77db08f48b472ed7c0b33d
PDF
Publication page4ec04f6b21338da3c1d3e622b273c31e2785840786cb0fc78ccf6fb5baebc5e0
Manifest2798aa4b227cbd5fe22a647add097378389c0bbee5c479109d806b1bde21f409

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
SignaturetrxWHPXF11UEukSbebZVDgi/twi7svJKMLJ7nlBB36k/4vMzDW8woMKoOUZ3e/B60Nv8jlQ1fPGP4WcD0faiDA==
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

2026-09-17T10:35:07.963410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065267
observed 4ec04f6b21338da3c1d3e622b273c31e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:07.946296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065267/manifest.json
observed 2798aa4b227cbd5fe22a647add097378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:07.928138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065267/publication.md
observed 66aedc112a00eb00fe250fb181aba520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:07.910960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065267/publication.txt
observed 944e92f1078b365d96cc5da38c254d00...
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.