OpenTechnical

OT-2026-000066461

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000066461) never changes.

Identity and time

Publication numberOT-2026-000066461 · never reused
Internal UUID01a0ae8e-ce40-7344-a9d1-9382eeec11bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066461
StatusPUBLIC

Content hashes

Canonical textd36f1d08ea851da46007bedcff7c4e1c67e94cf2a2c5310ff4f864136f69349d
Markdownbf60e82feca2524d32e6b8455d5b67057c8e6ef5652fb08668bbb4bdb99fdf0e
PDF
Publication page09e19bcb02bb6862becf6bc9222387b5740c2b30e8a658c199f2de0acabb87ad
Manifestccdc7db83799da35941231fffc221be2f17ea5a75c0ec70846c0cc948d5e2ee2

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
SignaturecsjgJluE54ndnuLVTaKnz5uxI1ChmNC5s4MVfoiIdM3dwdGl7SuwdjmWMWM5ZnF4HZ8OHrYPWaTGr5Owe4F2AA==
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

2026-09-17T10:32:42.682632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066461
observed 09e19bcb02bb6862becf6bc9222387b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.666090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066461/manifest.json
observed ccdc7db83799da35941231fffc221be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.649221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066461/publication.md
observed bf60e82feca2524d32e6b8455d5b6705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.632340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066461/publication.txt
observed d36f1d08ea851da46007bedcff7c4e1c...
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.