OpenTechnical

OT-2026-000102197

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000102197) never changes.

Identity and time

Publication numberOT-2026-000102197 · never reused
Internal UUID01a0aea4-50f3-7408-8d18-1a673b224eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102197
StatusPUBLIC

Content hashes

Canonical textc5f0f7655322975cbd4776ca4be1732924796bc015b6d67df085a6782d2ff4be
Markdown0f751e8ed7e4d0c2442d70620c04097eea362c841d260de396a7f7321b408bdd
PDF
Publication page1b2fe0514864a15be1e4b9eced90579b79fcd4d1bb7685b2b2008ba8412186db
Manifest2514e0c1dacc821856479662574e2e4efb912f29a452ab60beb140626d1e4fc5

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
SignatureuueQEivNRpJLxRUdFfy4TcoLcKrRleIUTDqoWL8kbGXbwG/bT+p9E5c6LdJDYnzUjIBmWzzBuIdwMgEoR3QxCA==
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

2026-09-17T09:25:22.307506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102197
observed 1b2fe0514864a15be1e4b9eced90579b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.289446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102197/manifest.json
observed 2514e0c1dacc821856479662574e2e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.270528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102197/publication.md
observed 0f751e8ed7e4d0c2442d70620c04097e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.252899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102197/publication.txt
observed c5f0f7655322975cbd4776ca4be17329...
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.