OpenTechnical

OT-2026-000033061

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000033061) never changes.

Identity and time

Publication numberOT-2026-000033061 · never reused
Internal UUID01a0ae75-4843-79cb-af6a-9c35167d365f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033061
StatusPUBLIC

Content hashes

Canonical textee98a127a9f0429b91a3ec3ad11c018f4f2ed7a583201d48b7281475025ec297
Markdownf6c751bbbd555e064308ee7e5210481aff1942d8a441018fbf778c02845c5e47
PDF
Publication page71e92e31a95faabdc4c800b69c4020e2122f200af644fa5e935386c5c6087548
Manifest2e214dd3a3e9678f4bc2213be27f49b883de0f511d8f9e3c65e81f19cd02a20d

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
SignatureCRIUWk/EFssDQJf3Q8dEH9OWcQTVAFNQXJK8DRpjzvFeTEj3JDI06dJsZOpCZgCBys7JkRb3NOoZIY9tP4SqAw==
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

2026-09-17T11:32:42.252865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033061
observed 71e92e31a95faabdc4c800b69c4020e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.236164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033061/manifest.json
observed 2e214dd3a3e9678f4bc2213be27f49b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.217909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033061/publication.md
observed f6c751bbbd555e064308ee7e5210481a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.201683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033061/publication.txt
observed ee98a127a9f0429b91a3ec3ad11c018f...
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.