OpenTechnical

OT-2026-000015423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000015423) never changes.

Identity and time

Publication numberOT-2026-000015423 · never reused
Internal UUID01a0ae6d-ef49-7a4d-a865-5ed396728c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015423
StatusPUBLIC

Content hashes

Canonical text005b3a2486de2306ed5b7e68ce45575cc3629ca0231c5fce51d02d938eeac85c
Markdownfca05bd78977b95d57089544c0f1c9c397623b2071d5f363b6ac3a8819b6491d
PDF
Publication page70c4e93a4c5582fce97aa5ed0c3f898ce6807066b130ee1034d063ed9ea16565
Manifeste346003c998e3ec9040f1149746ca0c91ba6a35af66fdddf2fbf1feae203c651

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
SignaturekOocqdOohPWhFckE6LU3o1MIQxHWMLesbodhc4OGpP6YUowAwqcsMx3U/YSATOAWg6UCN0ARg7CVsGL/pEMaAg==
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

2026-09-17T12:06:09.437526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015423
observed 70c4e93a4c5582fce97aa5ed0c3f898c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.418193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015423/manifest.json
observed e346003c998e3ec9040f1149746ca0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.396246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015423/publication.md
observed fca05bd78977b95d57089544c0f1c9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.374106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015423/publication.txt
observed 005b3a2486de2306ed5b7e68ce45575c...
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.