OpenTechnical

OT-2026-000092680

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000092680) never changes.

Identity and time

Publication numberOT-2026-000092680 · never reused
Internal UUID01a0ae9d-b5ff-78c1-89fa-70ee6556307a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092680
StatusPUBLIC

Content hashes

Canonical texta344b7da894fe59b2c6f21393a6d34b54c0337ab755859979a6b5ee7e05a457d
Markdown7463dc574f08857a7ff5c4e4219d616d30539ab228082cb5bccd0844f105bebe
PDF
Publication page20eb0c82b5d7f7c26d69700e90fc3c6fa92b02c289a5940ffdf4fac09f5d1b52
Manifest12c93f01e90853eb239c3387e3278cc43f631adf53572dd5efd04264122a38f0

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
SignaturegYPfMg+4wBwTJ9WZsrzp/XCuIQPat6MqDbVRQBEu//T0oF5c4BuBeV4zHpAQ4ZGDjYdAq+qtQ0ArE3tT/r8cBg==
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

2026-09-17T09:41:17.694701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092680
observed 20eb0c82b5d7f7c26d69700e90fc3c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:17.676919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092680/manifest.json
observed 12c93f01e90853eb239c3387e3278cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:17.659277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092680/publication.md
observed 7463dc574f08857a7ff5c4e4219d616d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:17.642111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092680/publication.txt
observed a344b7da894fe59b2c6f21393a6d34b5...
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.