OpenTechnical

OT-2026-000097742

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000097742) never changes.

Identity and time

Publication numberOT-2026-000097742 · never reused
Internal UUID01a0aea1-92f5-798c-aced-2f9ef75bdaa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097742
StatusPUBLIC

Content hashes

Canonical text63c058e03a266d07fd278e488b20a56847f43b0887006a4d99d8136edaed8ede
Markdown42dab6dbdce6637ae62e177a5d06b8aea11040e2de406c659a337b9a3535716d
PDF
Publication page897b37f783de9720c021768888ea8ffc8e3fcf605cf344fdd4763ea9f0dc7dbb
Manifestc8094d188a16a1cb4aa5b58a1e1f5bf9a384c0a2cc9b9fd3dc14a37a62e318fd

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
SignatureHCYSXeVybw4Hbm2YQtu7XGXLIlA8sugDHF9df+C4LwCIWCpe41Nw6CS9yqJFH6MpVxMMh7+wnAq4Be4Ei1VEBw==
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

2026-09-17T09:32:47.623487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097742
observed 897b37f783de9720c021768888ea8ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.601175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097742/manifest.json
observed c8094d188a16a1cb4aa5b58a1e1f5bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.579442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097742/publication.md
observed 42dab6dbdce6637ae62e177a5d06b8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.555986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097742/publication.txt
observed 63c058e03a266d07fd278e488b20a568...
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.