OpenTechnical

OT-2026-000047337

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000047337) never changes.

Identity and time

Publication numberOT-2026-000047337 · never reused
Internal UUID01a0ae7f-3e57-773f-9c29-9677aefe15c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047337
StatusPUBLIC

Content hashes

Canonical text59ffc559223d09ea87f32c6483faf7014aac140d34e472c0f06e4785e7d17901
Markdownc441d65af5abd9abe3bc0241510e8643dc52daee045a761ab4757161f190d0a8
PDF
Publication pageea14810c663e57b2f3453fa2901992bd44a3fed121a19f90ca9787d35cab9f5b
Manifestf36ef9edbe6ccf725fd7e54365bda354337f4c69c344f0408092e5bbceb04f37

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
SignatureAE50zCXN9PXblVNfPJlzm3ZgPM7Lsfwzqmeu9ihTOHq1W91KuAuymDdCUtLOZZAhfQSGkvgJkTorlMlkvxJ8Dw==
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

2026-09-17T11:06:19.695763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047337
observed ea14810c663e57b2f3453fa2901992bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.678378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047337/manifest.json
observed f36ef9edbe6ccf725fd7e54365bda354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.660525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047337/publication.md
observed c441d65af5abd9abe3bc0241510e8643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.643012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047337/publication.txt
observed 59ffc559223d09ea87f32c6483faf701...
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.