OpenTechnical

OT-2026-000086139

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000086139) never changes.

Identity and time

Publication numberOT-2026-000086139 · never reused
Internal UUID01a0ae99-e82b-7eaa-8ee1-bfaa2c3aaead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086139
StatusPUBLIC

Content hashes

Canonical text683b447b2e1ffd0e081ccd8f0e421a3ad824287ffdc6fe2afea885d56794fb99
Markdowne1ed6d1f10e75d4bdf009ec4493f39b93bdc79f4798f649e289969e121aa1a47
PDF
Publication pagea75380ee97400a008d5fe0aeda333a019f12e6fa9dcf7699525c6806928f0ed3
Manifest86bf264aa068a13a1631ba05005c3cd5345e94c1a4892de1e802a11ec95e42eb

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
SignatureWWUVOkxZTSjxIVUp23FVw+3fMRlIxw3E+SaAbp2vyRZ31lp2yowSpFsumrkSIxyY1RCXTlQjjdBwIJ4nJ+vUDw==
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

2026-09-17T09:53:48.272971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086139
observed a75380ee97400a008d5fe0aeda333a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.252324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086139/manifest.json
observed 86bf264aa068a13a1631ba05005c3cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.232257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086139/publication.md
observed e1ed6d1f10e75d4bdf009ec4493f39b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.212201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086139/publication.txt
observed 683b447b2e1ffd0e081ccd8f0e421a3a...
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.