OpenTechnical

OT-2026-000030455

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000030455) never changes.

Identity and time

Publication numberOT-2026-000030455 · never reused
Internal UUID01a0ae73-e503-7c6b-a557-4f8543b4661d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030455
StatusPUBLIC

Content hashes

Canonical text1a2d977c29eb1bbb6bac779c0a1149f02e3e61ae138ce7bc354fc243e86b26dd
Markdownae24bf552b88a728419ce07bfdc9c1f226fa78315d2093c30cb3308c8c8174dc
PDF
Publication page6e454563a00c0dbc723a96f0c998fe70cfd0bc3434353ed1304d73b3767313b8
Manifesta89de89343869ad5cb3a72b688e7248436ee976387e073afe0235e1fb1658f2b

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
SignatureLYJVLGbWW8DGGCJx+H86o4OMhicbYwiDfCDl7mf3T770mpQ2udc/IfZIqjyEaezN6LtQJ9llTzZGZal6dNNtAw==
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

2026-09-17T11:38:10.401801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030455
observed 6e454563a00c0dbc723a96f0c998fe70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.383875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030455/manifest.json
observed a89de89343869ad5cb3a72b688e72484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.366475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030455/publication.md
observed ae24bf552b88a728419ce07bfdc9c1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.342441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030455/publication.txt
observed 1a2d977c29eb1bbb6bac779c0a1149f0...
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.