OpenTechnical

OT-2026-000018375

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000018375) never changes.

Identity and time

Publication numberOT-2026-000018375 · never reused
Internal UUID01a0ae6e-b489-7de5-8a85-0cb74eb611cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018375
StatusPUBLIC

Content hashes

Canonical texta94921e4e61d4c4e525d31a42206cbd46f7effc4b25e4ada69f94158712e9b42
Markdown154e387a99139cf114cd04961716fef2b9211b987ccc44a694aeede0184c893b
PDF
Publication page49cd120a920788c26b069ae162276d1e54fb6284d9324666fe1fbb55bd0463b6
Manifest9d2033a1684949b61fc6b4bb22a8d1becc4527bd1e04a9055d7037076a9c8714

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
SignatureQ3BjcUoqcGMZlFzkpPxdwBoA9N12p2F/vhP3cetHNuKyy8mObWn576gNi8RO5P9G1yst2N25tIIJCz8xcJhTAw==
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

2026-09-17T12:01:06.843732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018375
observed 49cd120a920788c26b069ae162276d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.827008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018375/manifest.json
observed 9d2033a1684949b61fc6b4bb22a8d1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.808289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018375/publication.md
observed 154e387a99139cf114cd04961716fef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.789612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018375/publication.txt
observed a94921e4e61d4c4e525d31a42206cbd4...
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.