OpenTechnical

OT-2026-000069919

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000069919) never changes.

Identity and time

Publication numberOT-2026-000069919 · never reused
Internal UUID01a0ae91-1860-711f-b13a-45661aaecb6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069919
StatusPUBLIC

Content hashes

Canonical textc9435b5e4b1817e9ac6dba639333d373410e341fadb3c664b5030cd9618cae93
Markdown84a390854ab56a5cea71578e6b0c8682d9d0a18edcd95785b93adef8e4d02487
PDF
Publication page0501f16d0e29dd2139f05e6ea0be2d318105d2958d8ff4065ee82b53bad9144a
Manifest59c1436049c225e466f007c76eb890bf72ea4808a6bdf73a40c5747351100504

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
Signature+gM9SplObrYGTmPXR1invvFb+NRvgUkHx/62MuFzvssDA3FizoEr7SZiRxHPnoiXAB8t21pqHYIi87SSiVe7CA==
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

2026-09-17T10:26:51.412641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069919
observed 0501f16d0e29dd2139f05e6ea0be2d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.389574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069919/manifest.json
observed 59c1436049c225e466f007c76eb890bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.370817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069919/publication.md
observed 84a390854ab56a5cea71578e6b0c8682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.352254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069919/publication.txt
observed c9435b5e4b1817e9ac6dba639333d373...
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.