OpenTechnical

OT-2026-000045739

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000045739) never changes.

Identity and time

Publication numberOT-2026-000045739 · never reused
Internal UUID01a0ae7d-8f04-7576-9228-9dc870190675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045739
StatusPUBLIC

Content hashes

Canonical text2e9acd313a8ef5efb2e5d7c877f1d6e90d1eceae2e1ce438bcbcae7941d8b19f
Markdownacc059167d9f2144bcd0ecd3315d50b5461802802f7d2b207e76c2150a92bcb5
PDF
Publication page25840061517fe9f753d0a6b489e276a9586a046e557fa654fa29da6ae3d4ffcf
Manifest098542b765f54e15f6af0e9443fa09146cfd6414ba01c3d8f1678872e3629285

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
SignaturezP2YjoenyHujRxjJHusDB8U7Ng5Cx/CwqIwzsInneaBWEKbBSBMDqQnMZomnCankbgf30MNPZJfrQAYI8G/ODw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:33.482100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045739
observed 25840061517fe9f753d0a6b489e276a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.465376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045739/manifest.json
observed 098542b765f54e15f6af0e9443fa0914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.447714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045739/publication.md
observed acc059167d9f2144bcd0ecd3315d50b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.429115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045739/publication.txt
observed 2e9acd313a8ef5efb2e5d7c877f1d6e9...
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.