OpenTechnical

OT-2026-000032309

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000032309) never changes.

Identity and time

Publication numberOT-2026-000032309 · never reused
Internal UUID01a0ae75-106d-7617-8d42-5c7a49afdf08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032309
StatusPUBLIC

Content hashes

Canonical texte31b8515ce5a8767be5be10af7e5d6ce655281250909695b7bb2e3dd2b57ac96
Markdown1ab548c749715894b75f608fc59b2440c924841c4641270b699e088778ce19e2
PDF
Publication pagea673d59bf8934acec1b68e65798d28c4bb00b06d0562849ee1532bd71d7e931a
Manifest327f64c153b580dd1c1a68fdfcfbc29483d93a8494f44adb7082a8443622ab0d

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
SignatureC6zH4RIrU+HXgPBoVMDXnfc4SaAxewgZ2y9OK63f7QHgwafLAyhR4BcOPDmp5da+QinXJ2ogeDjIH6Ive2WuAw==
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

2026-09-17T11:33:08.570836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032309
observed a673d59bf8934acec1b68e65798d28c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.554384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032309/manifest.json
observed 327f64c153b580dd1c1a68fdfcfbc294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.535461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032309/publication.md
observed 1ab548c749715894b75f608fc59b2440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.512020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032309/publication.txt
observed e31b8515ce5a8767be5be10af7e5d6ce...
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.