OpenTechnical

OT-2026-000076425

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076425) never changes.

Identity and time

Publication numberOT-2026-000076425 · never reused
Internal UUID01a0ae94-6a71-753c-b64f-868574a0367e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076425
StatusPUBLIC

Content hashes

Canonical textbac6a9203bb0b9485be4b532540f795b76695bd9bc1da6d144c1c701cd97dc76
Markdown2bd778ad7536ffefd4d7078976ee7633997a8a2fd6720865219ba5b976858238
PDF
Publication page9e499a64789f7ad41afbbdfdc04724082665d4ced8de65348929df5e7a959348
Manifest102319de51ff12f12530e0997ed257c2387cbcf6b140f30e237e4553cababb88

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
SignaturerW4gzYhgG5g6TzZCIjhxw30TF7NtoVcEHTa/N7JnJ3CFCP+x95eTIWE0/OW9TmKp0Urbp0FlxX78d9S+Ly+8DQ==
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

2026-09-17T10:12:25.696134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076425
observed 9e499a64789f7ad41afbbdfdc0472408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.553966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076425/manifest.json
observed 102319de51ff12f12530e0997ed257c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.535716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076425/publication.md
observed 2bd778ad7536ffefd4d7078976ee7633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:25.516464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076425/publication.txt
observed bac6a9203bb0b9485be4b532540f795b...
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.