OpenTechnical

OT-2026-000076187

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000076187) never changes.

Identity and time

Publication numberOT-2026-000076187 · never reused
Internal UUID01a0ae94-6a6f-79da-a946-03c8ede14e22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076187
StatusPUBLIC

Content hashes

Canonical text0d0325e8641ba04f5f5487aed2c989b7304d28fdfaf65a84fa1877fc2e2dba94
Markdown8a73268dab21e66ea17b0cba7b632922de5bd219ff29d763119410df8621f72d
PDF
Publication pagefb8bbbf31d3c3dd7ffd1ca48092caa0cc8a6f1452b7fbc38dc8e1664a253c7d4
Manifestaf0336c995f74ac4a73f4f72a6608c174a9dcd5d318193eab1a9f2a853da6d91

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
SignatureaKdJbJoIi/bP8UEnQA6qKmIUuI578axbPHjPHCf+d3sTmiLz434sw+dEZSLj2E4Q/o48Su5blcRIorfFqs4pCw==
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

2026-09-17T10:11:29.944143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076187
observed fb8bbbf31d3c3dd7ffd1ca48092caa0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.800674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076187/manifest.json
observed af0336c995f74ac4a73f4f72a6608c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.782780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076187/publication.md
observed 8a73268dab21e66ea17b0cba7b632922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.764996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076187/publication.txt
observed 0d0325e8641ba04f5f5487aed2c989b7...
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.