OpenTechnical

OT-2026-000093947

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000093947) never changes.

Identity and time

Publication numberOT-2026-000093947 · never reused
Internal UUID01a0ae9e-92c8-7abb-b5b5-783390805b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093947
StatusPUBLIC

Content hashes

Canonical text0f102dbfd88d77df45f9cd9c0c033a26afcaec3e0eb93b918fbab9744a9fcdb2
Markdown2310102692195b0fa890e180cdcb6df4e75d53e1158407c924d5b2466ac8a88e
PDF
Publication page18f9d11020318ae87ea23c1e34cfa303c67af7783e678c9fede8970e1e249720
Manifest1475e1fd9b8b9a511c79a7b06ec37e1c8aebdb68944bce2740573637903135b9

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
SignatureY5YCOVrikOqCyJ7zuUYVyAD/u/snBCP6s4eTQ5dyUWFJLecZdGDg0tfUxdd4jKbzHQH8Tkenw9IygeTQQDWiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:13.479064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093947
observed 18f9d11020318ae87ea23c1e34cfa303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:13.460707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093947/manifest.json
observed 1475e1fd9b8b9a511c79a7b06ec37e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:13.404799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093947/publication.md
observed 2310102692195b0fa890e180cdcb6df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:13.354917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093947/publication.txt
observed 0f102dbfd88d77df45f9cd9c0c033a26...
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.