OpenTechnical

OT-2026-000019334

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019334) never changes.

Identity and time

Publication numberOT-2026-000019334 · never reused
Internal UUID01a0ae6e-f392-7875-a8b6-79259682aff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019334
StatusPUBLIC

Content hashes

Canonical textc721f122e629066035273c965bd4f383e58775c28cd3e665f4a4412a01c0774d
Markdown7b9cd0f331bbe9e551085acedaf0a60dbeb5a983c479b1a2915c0c6083168f35
PDF
Publication page59cdc62b4dd5e9d95efebb54fb1bdc6ecdfa701948910564064bc60aa6b9cb52
Manifeste12490b8938a578fdb9e9e19ec02e47c6ef71deecff57e2dcff91aa0ef3dd1e6

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
SignatureBd6sm9CL/ormo/o3TLhVTfjBdJQPpJv/U7qT5q0EKPPePW0Hk3hZD0DpqI0rF7mI6ZT3JPE6YudNzu/8TogHDA==
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

2026-09-17T11:58:42.164205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019334
observed 59cdc62b4dd5e9d95efebb54fb1bdc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.145704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019334/manifest.json
observed e12490b8938a578fdb9e9e19ec02e47c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.127609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019334/publication.md
observed 7b9cd0f331bbe9e551085acedaf0a60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.108640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019334/publication.txt
observed c721f122e629066035273c965bd4f383...
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.