OpenTechnical

OT-2026-000020897

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000020897) never changes.

Identity and time

Publication numberOT-2026-000020897 · never reused
Internal UUID01a0ae6f-65e3-7b93-98ff-dc5849e5ca9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020897
StatusPUBLIC

Content hashes

Canonical text216820ee189799a816452b883dfcde9ea3a7559bac8513f2cffaa2d569769fc4
Markdown2497667f90b4123ee440f110713127ffe886af4a1a6486184459161d634c162b
PDF
Publication pagebe317446662483c1f08e0569e52d8769440bc64d16bc56d2ad1e77a2ed27863e
Manifest010c9f8ff1862f79e4c4029aaaf459016edab59995fc7a2ad0370c631374b860

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
SignatureQomPTZ3e5C0kmlUcLJBmFfPSgvhvXyoUuvgRbRFzKnP1n+igAx1ek4xUqqRS6hJxmhUOB+CmnZqfuymoqxafCw==
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

2026-09-17T11:56:00.707609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020897
observed be317446662483c1f08e0569e52d8769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.690340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020897/manifest.json
observed 010c9f8ff1862f79e4c4029aaaf45901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.672112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020897/publication.md
observed 2497667f90b4123ee440f110713127ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.653397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020897/publication.txt
observed 216820ee189799a816452b883dfcde9e...
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.