OpenTechnical

OT-2026-000051211

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000051211) never changes.

Identity and time

Publication numberOT-2026-000051211 · never reused
Internal UUID01a0ae83-273f-7165-8309-f0eb37da33cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051211
StatusPUBLIC

Content hashes

Canonical text4ce542c41d4afa9bf71ca36413d8cc4134353fd1cfb6187a1814bd760c77f49e
Markdown015b8067b45521d10d1fc71bbf98f25239b8a62fc1ebfde88f41614e89ca04b8
PDF
Publication pagee0597ab8c51dd00ac48ffb7af382137f1c7672cc1ba722a3229dbffe11257130
Manifest30aa87683e92f9e39975563cefed6c6b07a647e5ec315f00ba9b07127a35becf

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
Signatures1QrIr4MD8FqV9IHRQEvgnD1f7v7h7ApOHT49hwW9HY36LluZ64YJaEEPAV4VzxlSYLWHPJ4tvynO3hpUjSeCQ==
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

2026-09-17T10:58:59.710602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051211
observed e0597ab8c51dd00ac48ffb7af382137f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.690508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051211/manifest.json
observed 30aa87683e92f9e39975563cefed6c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.672519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051211/publication.md
observed 015b8067b45521d10d1fc71bbf98f252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.655580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051211/publication.txt
observed 4ce542c41d4afa9bf71ca36413d8cc41...
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.