OpenTechnical

OT-2026-000032181

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000032181) never changes.

Identity and time

Publication numberOT-2026-000032181 · never reused
Internal UUID01a0ae74-f7a6-745f-8301-d377fea64ba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032181
StatusPUBLIC

Content hashes

Canonical text63c80bf87ecb0056edf9be0049b71c7af9df4bc3d3a549718e3df98e196a0fb2
Markdown969cdd2c07e50970d6a4ae3a7fd5aab145ee0a73b003acb8bdf820ee647b8d0a
PDF
Publication page598beec5c7e1e8b929ca937b6101ce93ffd33b8eb6278875cd9079c1aa666f6d
Manifesta4592b9fb2171fa3f45a8274fbb84dd21b5aa5493ad629d8297863f0a9f3131b

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
SignatureZNhV8SiKg9Mr8pDN5ChlK8KN7hB3Bb8P5WpqMWF4/U38sZZIqh20moQpumPnpUYg4gGraJn8A5jJD+tks/nwDw==
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

2026-09-17T11:34:31.135645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032181
observed 598beec5c7e1e8b929ca937b6101ce93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.119425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032181/manifest.json
observed a4592b9fb2171fa3f45a8274fbb84dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.098046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032181/publication.md
observed 969cdd2c07e50970d6a4ae3a7fd5aab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.079985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032181/publication.txt
observed 63c80bf87ecb0056edf9be0049b71c7a...
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.