OpenTechnical

OT-2026-000019861

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019861) never changes.

Identity and time

Publication numberOT-2026-000019861 · never reused
Internal UUID01a0ae6f-1fb6-7c43-997c-94ce6c348bb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019861
StatusPUBLIC

Content hashes

Canonical textbbd7b69fb78d18b57378036831f0144f204c47cf4146b40f96a3514152c9f9d2
Markdown8effa426494213dadaa858c004fd334ce2d830a028f7042a2ebacd0f850bb6bf
PDF
Publication page612c83cffe4df92e3098a8759f218ff9dd9eefec7d9cb04c7d7fdfbbb14ac32a
Manifestc9919e0ca52347898a82764fd3f8af8196dc4e0e692cd131fa18902b40f38c09

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
Signatures3Pqm7fCeea33d5gLzBDilsf3PUUOSBYA4L9k5sdRFa8+Ssbg8QaxtO9PSkCvwbVpkPLhpUCa3gT90ZQ4PoXBQ==
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

2026-09-17T11:58:03.665919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019861
observed 612c83cffe4df92e3098a8759f218ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.645334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019861/manifest.json
observed c9919e0ca52347898a82764fd3f8af81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.626351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019861/publication.md
observed 8effa426494213dadaa858c004fd334c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.606978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019861/publication.txt
observed bbd7b69fb78d18b57378036831f0144f...
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.