OpenTechnical

OT-2026-000100083

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000100083) never changes.

Identity and time

Publication numberOT-2026-000100083 · never reused
Internal UUID01a0aea3-1474-7e05-af70-3fc0447cf337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100083
StatusPUBLIC

Content hashes

Canonical text0b3df42eeaa9071a3949bb639ba969a86cba456dd6acec9978f659bac71bdbc3
Markdownc8dbaecb8b1feb37054228e7db298cc1d931047fa88637466f82785079dc14b3
PDF
Publication page8648e92c670d15e6ac0c13e10396516ddb2f25e9ca8d86fedd8cd78ab80d73eb
Manifest9b1bbce2e79677f39c6abf7219e0d3e518a365066e036f24e49020bb020e555c

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
SignatureR8oAogCqsr9P/qfCMwygOFWNbbAhJnJ+J8CNfPcKvPuYVoHDJSQ16SBlutipqsXG8dXU7BKgkbEyCLckpsR+Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:02.106176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100083
observed 8648e92c670d15e6ac0c13e10396516d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.087589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100083/manifest.json
observed 9b1bbce2e79677f39c6abf7219e0d3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.068851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100083/publication.md
observed c8dbaecb8b1feb37054228e7db298cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.049658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100083/publication.txt
observed 0b3df42eeaa9071a3949bb639ba969a8...
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.