OpenTechnical

OT-2026-000035689

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035689) never changes.

Identity and time

Publication numberOT-2026-000035689 · never reused
Internal UUID01a0ae76-b4c7-75de-93ff-b4408e1a4e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035689
StatusPUBLIC

Content hashes

Canonical text1c76c8abeb95ddcd21da018b2c595356ac617fc9d9da9638e3e64e6167ffaa46
Markdowndb6350e34e16abdb307bd9c6f08c8b10da937421b229ab4cb08aab87a68953ee
PDF
Publication pagecf0205c3e8610b1d6bfc772e45847f44838686ae391aa24d76faa3a58f90f7b9
Manifestcdfbd78a89561fb483c18ea7212ecc57be39c5d5782da97abe8926afc48e685d

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
Signatureeu7C8SBXWX2XVEkuNkQUkrtuoHDh7Pyx0aaxBxZ7OMC0cR0OTZ/Imp8XXopdompxEKl7GhWdLq59eAafAyjyBQ==
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

2026-09-17T11:27:15.848359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035689
observed cf0205c3e8610b1d6bfc772e45847f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.830026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035689/manifest.json
observed cdfbd78a89561fb483c18ea7212ecc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.812896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035689/publication.md
observed db6350e34e16abdb307bd9c6f08c8b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.793702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035689/publication.txt
observed 1c76c8abeb95ddcd21da018b2c595356...
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.