OpenTechnical

OT-2026-000097398

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000097398) never changes.

Identity and time

Publication numberOT-2026-000097398 · never reused
Internal UUID01a0aea1-01cc-750f-a272-5a013d012086 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097398
StatusPUBLIC

Content hashes

Canonical texte5f74eacdb766ac5eeefca69596c404add44425e8fa2d491e5599bfd32924dc0
Markdown1ab836cfcbc4b097b507f74028dbd6af69d65fab2258a57879368718a491b30e
PDF
Publication page6ff00d65ee3c486fa9ce5213a79956e3f2819e62f076270d4f47cf9fd2c58b69
Manifest3858a2e5000fe86aef9b8f0a01c481b60b57f925eaa2e2b734c85b28fdb526c1

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
SignatureX26klS9u83x8gquhvdLHzZYNvnaKGVzc7/cRjXOz/Jmq0g/9Ty8rnONV5CPXZqAjc6FiX8oUuUHq4w1/Iq0XDA==
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

2026-09-17T09:33:40.982120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097398
observed 6ff00d65ee3c486fa9ce5213a79956e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.960915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097398/manifest.json
observed 3858a2e5000fe86aef9b8f0a01c481b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.942439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097398/publication.md
observed 1ab836cfcbc4b097b507f74028dbd6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:40.923588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097398/publication.txt
observed e5f74eacdb766ac5eeefca69596c404a...
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.