OpenTechnical

OT-2026-000008454

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000008454) never changes.

Identity and time

Publication numberOT-2026-000008454 · never reused
Internal UUID01a0ae6a-e46a-7cc3-b45d-fb67f9c39500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008454
StatusPUBLIC

Content hashes

Canonical text8ce57af23070e54b6ac0a3ab34d7e14dc090856e75835f8ddd93065aeeb1897f
Markdown9fe8eae06b21099488b3f99d3b4bd8fedf677f16c471ace8fbb2665738e7c838
PDF
Publication page4f713930f8136be9835eb5462fea26a130f43648b815a10c0bea30d9076cf299
Manifest01dfae2a24e453483f3d06faf9be97925278764a4f262187f810600504afcc7b

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
Signaturezq9BcoWaiQ8BaxlN9ae1Rz4BnwCcVPXtIZXh/Zltg6C7Js4e8OX8CO5PyqWRwZZq8tV6xCHKiM05EYhLCGolCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:20.428912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008454
observed 4f713930f8136be9835eb5462fea26a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.410543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008454/manifest.json
observed 01dfae2a24e453483f3d06faf9be9792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.393091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008454/publication.md
observed 9fe8eae06b21099488b3f99d3b4bd8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.373466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008454/publication.txt
observed 8ce57af23070e54b6ac0a3ab34d7e14d...
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.