OpenTechnical

OT-2026-000038475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000038475) never changes.

Identity and time

Publication numberOT-2026-000038475 · never reused
Internal UUID01a0ae78-2d53-79ed-88b0-21618ceb6063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038475
StatusPUBLIC

Content hashes

Canonical text4a7e8ddb775bd661ebfeae3b6224db30c754a6ee8c63fc450276831268dd9737
Markdown8280293f781b93a6ae16a422e72a80cec87308d5be2c064b7f033a921f5e9bbe
PDF
Publication page8d298ae505d4f68303226c5907833604baf59f73d1dd7aa51e0c2b7a0f5e0cd4
Manifest5bea96815de9920590e6363e356679c8211390abbb82bbca861375919d0cbdb1

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
SignatureeT5bsJag8EreFicSxOEaym2SQ6O+yz8BipHOsme0sFd2ArJNdQEZo3FOt/VVwayuieDMf+tax+IxZ1FmmRB2Cw==
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

2026-09-17T11:22:42.782291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038475
observed 8d298ae505d4f68303226c5907833604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.766371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038475/manifest.json
observed 5bea96815de9920590e6363e356679c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.750792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038475/publication.md
observed 8280293f781b93a6ae16a422e72a80ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:42.734414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038475/publication.txt
observed 4a7e8ddb775bd661ebfeae3b6224db30...
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.