OpenTechnical

OT-2026-000062419

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000062419) never changes.

Identity and time

Publication numberOT-2026-000062419 · never reused
Internal UUID01a0ae8c-0abf-78a5-8ac2-2a8fda95cf44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062419
StatusPUBLIC

Content hashes

Canonical textf82b1ca9c4a2e5b4b918f573d5d86d9177ca2c1a7792c7bf82e0126151735be5
Markdownc24dfeb01502b009a03e3f0eac45a7baa43351196dbe404e3901b21a5f52b586
PDF
Publication page2aae440ba4601b7573fd5ef437c3163e2fb0b74473824c1847da5e5ad75cc898
Manifestca84677752485da8643aab25fd649a0f0bf461ccf5d26f9ce6433c8e4c65c482

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
SignatureOYiXKsQZWnkGf/ydEIaAmam1NWIwrWIzcfCPZ1tBJ+XgGTTD8QZaUKzTmom9cZkFm+wwjI9BGRed3vOtSvfHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:45.179319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062419
observed 2aae440ba4601b7573fd5ef437c3163e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.161153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062419/manifest.json
observed ca84677752485da8643aab25fd649a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.142528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062419/publication.md
observed c24dfeb01502b009a03e3f0eac45a7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.122877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062419/publication.txt
observed f82b1ca9c4a2e5b4b918f573d5d86d91...
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.