OpenTechnical

OT-2026-000051517

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000051517) never changes.

Identity and time

Publication numberOT-2026-000051517 · never reused
Internal UUID01a0ae83-7c80-7e8b-a189-66fb90de3398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051517
StatusPUBLIC

Content hashes

Canonical textaecf8fdc86dc6ce79609df12df0a45a51056b5be12acc3b59cfc1497c564abe5
Markdown11a617b1a8e40a292be2105cb410b5fc0fba79a14f65e9a08fbb8f689f46294d
PDF
Publication pagedef55487f7fd0e28f83c763c25d118c9c0a191a2634ab1d56337bf69cbb451c0
Manifest83945993300a24b8de4e1d540987e1db82d0b6dc21791cfa147b00085b0883d5

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
Signaturev1OSmGh8V5ycmXSho41sAy6j6CPhkaamTBeTaFw+eKbm9iQWjsRcVwnI+UqQfeYB4MPTTV8nnoJFXY7CYiZJBw==
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

2026-09-17T10:58:20.369987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051517
observed def55487f7fd0e28f83c763c25d118c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.351808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051517/manifest.json
observed 83945993300a24b8de4e1d540987e1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.333169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051517/publication.md
observed 11a617b1a8e40a292be2105cb410b5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.313360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051517/publication.txt
observed aecf8fdc86dc6ce79609df12df0a45a5...
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.