OpenTechnical

OT-2026-000075649

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000075649) never changes.

Identity and time

Publication numberOT-2026-000075649 · never reused
Internal UUID01a0ae94-29fd-7c59-b535-3f31a65966bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075649
StatusPUBLIC

Content hashes

Canonical text6b799d3e02925179e189ffe580a5a7f5b8e851a9e227ba3462b0ff8b02af2ee1
Markdowncd6f70b22ff2a25bc2089e814171e5524bc2562d114722be49417f9d24384c5d
PDF
Publication pagef001613ce2e41bca8337d763f25321740337fc405a30522aa384573c995de769
Manifest8d9ef5a5c3f82a08d30e53f2f21b2665dc7a9e358d9567d065fc14d4fb562a80

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
SignatureDuAoQVOlGvdOKy4xMlM0UX+R8TjK3jVg3HUye0+0wUFQzOq0uzPEn3LRZHNDuDrSiWWyLZf7JcaqBXP/hDxPCw==
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

2026-09-17T10:13:42.547954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075649
observed f001613ce2e41bca8337d763f2532174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:42.529837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075649/manifest.json
observed 8d9ef5a5c3f82a08d30e53f2f21b2665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:42.510024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075649/publication.md
observed cd6f70b22ff2a25bc2089e814171e552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:42.485276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075649/publication.txt
observed 6b799d3e02925179e189ffe580a5a7f5...
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.