OpenTechnical

OT-2026-000072622

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072622) never changes.

Identity and time

Publication numberOT-2026-000072622 · never reused
Internal UUID01a0ae92-89d9-72af-beb9-40cc69dacf95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072622
StatusPUBLIC

Content hashes

Canonical textbda7dcf47f5ff7b5d00cbba4fd1d1f72215d7102bf78452283c7078878c661c3
Markdown59f75aaa39d3d4e873790c0bbcabc64720da7ab430b5d211ebee82f6e0f93af7
PDF
Publication page1778318e0cf82930b6bbba4b2ca2617afac15833119e43825a46a9703313da2a
Manifest9c8dd684be49d92b40b5c7e0fe1afb034bece99b0a262895d64fb2f64cfb324f

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
SignatureoXV6SKOInxXA13S/aE+nTTn1OqcupPp5NzU3oNsSwGKF9cKvQEC7oJDsLVyyqpGu6tqUnJzvjDy0HSMmznnzAQ==
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

2026-09-17T10:22:28.620356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072622
observed 1778318e0cf82930b6bbba4b2ca2617a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.604748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072622/manifest.json
observed 9c8dd684be49d92b40b5c7e0fe1afb03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.590015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072622/publication.md
observed 59f75aaa39d3d4e873790c0bbcabc647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.574865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072622/publication.txt
observed bda7dcf47f5ff7b5d00cbba4fd1d1f72...
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.