OpenTechnical

OT-2026-000069603

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000069603) never changes.

Identity and time

Publication numberOT-2026-000069603 · never reused
Internal UUID01a0ae90-b52b-7470-8869-407a258bbadb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069603
StatusPUBLIC

Content hashes

Canonical text69723d49ad4efe5c82a705343fe6c8a4b39af970e21674d172a1f365ccefcf64
Markdown769b2448599bc3e8bdd49efa476a6daadb1a7dbce8e7ebd925d477621d480f34
PDF
Publication pagef3fe6ddfe353f4822aa65f80545fc2fbc04e5eac39f5f2af35cb33f7d771da2d
Manifest9e2b453a858d8e9407eed95d76ff6ae35ad343c7e44eacd288b7fd577ce405e9

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
SignatureGi7WXe0l82WSp/p2D1Q6+FJ9MUDKdE4V5I8M30cmWj5ZH+x8XyRwFY2eJeVwC9Lgbyl6RL22WHc1GEtZZRCiCA==
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

2026-09-17T10:28:15.846059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069603
observed f3fe6ddfe353f4822aa65f80545fc2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.827375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069603/manifest.json
observed 9e2b453a858d8e9407eed95d76ff6ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.807979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069603/publication.md
observed 769b2448599bc3e8bdd49efa476a6daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.790327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069603/publication.txt
observed 69723d49ad4efe5c82a705343fe6c8a4...
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.