OpenTechnical

OT-2026-000045759

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum 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-2026-000045759) never changes.

Identity and time

Publication numberOT-2026-000045759 · never reused
Internal UUID01a0ae7d-8f04-734a-8b78-f87926387d59 · 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-2026-000045759
StatusPUBLIC

Content hashes

Canonical texta84aef9a0411ad02929b188fc08bfd8c39155738b34e251ed1329b3eca84a5c0
Markdown6a021b4780489f692f4fb423b99de42fdf22aa09a021159f707b6b0c5d07eaea
PDF
Publication page5efe532551e948c8130dbb24efe60a82aeff36a663fc1064ede668a2d7c18d49
Manifest2f56cee96a9f69867404e1a0d59530e2c45287b9d0bfd9d2eaa7bdaeb417faab

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
Signature5x5w2OxM8UKaCvvrWX79NoGjfkrPFttrkeuICSczfNezTd+SR14ilWLw5Sgy/7uW6CzIMEKUbua3GxRiqJOSCQ==
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

2026-09-17T11:09:35.103859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045759
observed 5efe532551e948c8130dbb24efe60a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:35.085197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045759/manifest.json
observed 2f56cee96a9f69867404e1a0d59530e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:35.066157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045759/publication.md
observed 6a021b4780489f692f4fb423b99de42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:35.048457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045759/publication.txt
observed a84aef9a0411ad02929b188fc08bfd8c...
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.