OpenTechnical

OT-2026-000083617

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before 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-2026-000083617) never changes.

Identity and time

Publication numberOT-2026-000083617 · never reused
Internal UUID01a0ae98-0415-7ae2-a8f9-67872a869d94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083617
StatusPUBLIC

Content hashes

Canonical textf29d2433f5a7bee748dbbfbbc2e0ccad312e6f7c3bc75c20d32d693870b3497e
Markdown55c07bf2cf6eb3712ac932ce26a64b4f18d3ece260c4d0249351a2c36dd81eb9
PDF
Publication pagea74d27836b6a2fe1bfcc05d4e3ae1b2e34ccdc44df9159bec2bf7375eb606d56
Manifest4486933c7cc03e066a2e322bc5f140dcb40a6b24dbaea457bbedd4f021cd998f

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
SignatureM903v3EZaXu6H2TbteVh2QhJDoSSwKMeFbFm+63vbJQ5oKzoiQ+Isen8tF01C1TKNVHubQTyiq+m+5CAXYRmDg==
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

2026-09-17T09:57:06.914808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083617
observed a74d27836b6a2fe1bfcc05d4e3ae1b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.898030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083617/manifest.json
observed 4486933c7cc03e066a2e322bc5f140dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.881745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083617/publication.md
observed 55c07bf2cf6eb3712ac932ce26a64b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.865910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083617/publication.txt
observed f29d2433f5a7bee748dbbfbbc2e0ccad...
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.