OpenTechnical

OT-2026-000092341

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000092341) never changes.

Identity and time

Publication numberOT-2026-000092341 · never reused
Internal UUID01a0ae9d-875b-7b96-a221-3103f83cf61b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092341
StatusPUBLIC

Content hashes

Canonical text4c76a2f06b5b22ace09ef53495819f05795c3bc17711df3b006dc989db9ad72b
Markdown0cb635cb6c036e0c3c7f0aca49e302add7847413278096816280cd73e525b3ab
PDF
Publication page57089d8026978c8eee449db28402fc1b6d9449f8c3f44f2885549b262d2f2618
Manifest6624a435a323797b9144d5e837630b0e6f85effbe92738d377c5914e647c7924

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
SignaturezgwpkG5MkSjZ3EMduvwFmR+2Zsmym3oOEzPaF/ppAl53UB5MGUUqJUwhLrEEzjWCARQBrfGb5JQzJs2JmFzxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:53.410166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092341
observed 57089d8026978c8eee449db28402fc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.393732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092341/manifest.json
observed 6624a435a323797b9144d5e837630b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.377616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092341/publication.md
observed 0cb635cb6c036e0c3c7f0aca49e302ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.359925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092341/publication.txt
observed 4c76a2f06b5b22ace09ef53495819f05...
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.