OpenTechnical

OT-2026-000037939

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line 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-2026-000037939) never changes.

Identity and time

Publication numberOT-2026-000037939 · never reused
Internal UUID01a0ae77-f88a-7729-a9a0-5103ac167a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037939
StatusPUBLIC

Content hashes

Canonical textf6c375bee22abf6a528936be1c935d103e3edc934d78ca1ecc8832f0eacdefb6
Markdowna4cf654b3fdb4859b9688fcd164fb977f293c03972ebc9286dbc267a518b2a08
PDF
Publication pagec677f768db35598f9656c92bb0b5650ace914a1ba6b84fbf6d5ef324511c925a
Manifest388c0a58cd67ee8d4ef82243516c5b74c3fceb9e6dbbb7a3a11370a41fcf26de

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
Signature+ez73R7ZPrjekBVKg9cIBASCYkVti+VQhK/pisvLCkSIGcqWu5JHSYJW/2+QcFHu3tEw3bwHezkZHthYuHnFCQ==
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

2026-09-17T11:23:13.387494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037939
observed c677f768db35598f9656c92bb0b5650a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.367922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037939/manifest.json
observed 388c0a58cd67ee8d4ef82243516c5b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.351326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037939/publication.md
observed a4cf654b3fdb4859b9688fcd164fb977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:13.333717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037939/publication.txt
observed f6c375bee22abf6a528936be1c935d10...
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.