OpenTechnical

OT-2026-000008321

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000008321) never changes.

Identity and time

Publication numberOT-2026-000008321 · never reused
Internal UUID01a0ae6a-e469-7722-967a-57a86511d8cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008321
StatusPUBLIC

Content hashes

Canonical text69c084bfaa91de60dd682d173067b560173ef9fb498e03cfd357b6394d7eabe7
Markdowne3b6523b57ffa4ba2432fc617f92907659217fc1ad2507a22ef3825ccc458cbb
PDF
Publication pagee0e04810b0f9b65592b7b0e3c4714e1746c84140463c221a5f6845a0ea52cc9b
Manifest40b9dc8844b4d0db0da6f9bb272dbc545714439674d4f12c8f38ff4585506343

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
SignatureWUazaUsS1bS9dSntciUTS/zMqffgAtqBokTsIuyBOF1AmSs2zhekiOknNfKRrnXuO9j8QCCNrKbqOav3+kslCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:07.981551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008321
observed e0e04810b0f9b65592b7b0e3c4714e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.964710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008321/manifest.json
observed 40b9dc8844b4d0db0da6f9bb272dbc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.947260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008321/publication.md
observed e3b6523b57ffa4ba2432fc617f929076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.929704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008321/publication.txt
observed 69c084bfaa91de60dd682d173067b560...
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.