OpenTechnical

OT-2026-000025228

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000025228) never changes.

Identity and time

Publication numberOT-2026-000025228 · never reused
Internal UUID01a0ae71-5fa6-723e-9363-249d2bf2ca61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025228
StatusPUBLIC

Content hashes

Canonical textb28022336bd6186a5af6568dc62d7b4a965cc8d30796f4c6c9b0ddbeea1c4be3
Markdown3f7a8e3315606bf1d47fd63a18a7c48b0608d996ba0e6747cb970535f462849e
PDF
Publication page330576014977f82b3738c6d9724d6b4c9e7d00e72ca6db6e9aebfc44b728c140
Manifest2fe8838593a419a225cbe7b0346c0e4ab56d34002ef2894694b41ff450699c82

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
Signature3enxu8HL2Pq7SmNn+77E5k8j8yXrGElh3JJL1BCe3FSqs7Bf3nmYzJWnPP2NJhiEMG65HYvgZqd8TL8t9Ew1AQ==
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

2026-09-17T11:47:14.166092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025228
observed 330576014977f82b3738c6d9724d6b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.149961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025228/manifest.json
observed 2fe8838593a419a225cbe7b0346c0e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.130772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025228/publication.md
observed 3f7a8e3315606bf1d47fd63a18a7c48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.112252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025228/publication.txt
observed b28022336bd6186a5af6568dc62d7b4a...
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.