OpenTechnical

OT-2026-000047273

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047273) never changes.

Identity and time

Publication numberOT-2026-000047273 · never reused
Internal UUID01a0ae7f-3e56-7df6-8ec1-d41ff1664478 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047273
StatusPUBLIC

Content hashes

Canonical text68d6354a657371961c0d61c61450ded6468fa5a2e1bcf26cd5f3e1b49e987728
Markdown9d6697ce977732e297b9147641c22717e76d0b71ed08a80cd5dce76d25bdbf89
PDF
Publication pagead5b9e973787a7bd53526aff423270f7a27636eafa1b31a61c948ea80fc52b33
Manifest2d2b4642556a3fde23e9f0721356b73435279f1ee461ab4ba4c1aacfdd9b280e

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
Signaturehcxm1O307jBG5/PS0Gs5u8mSBsqf/OIg/ulMQqsqJeEAK/sfTXiIcM/TVT92puy5uROnlrCxrYpJHoXos8LnCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:14.390445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047273
observed ad5b9e973787a7bd53526aff423270f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.372276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047273/manifest.json
observed 2d2b4642556a3fde23e9f0721356b734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.352353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047273/publication.md
observed 9d6697ce977732e297b9147641c22717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.335124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047273/publication.txt
observed 68d6354a657371961c0d61c61450ded6...
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.