OpenTechnical

OT-2026-000030434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000030434) never changes.

Identity and time

Publication numberOT-2026-000030434 · never reused
Internal UUID01a0ae73-e503-79c5-a66d-7a64406e56f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030434
StatusPUBLIC

Content hashes

Canonical textd652aa97425741c7fe44cb7ade9238aa97354331ed35c760eb127fe6e9acbc62
Markdown6ce04b1250004b578bd7f6f0fd481c89949bcdfc51d552e318acccc7b992545d
PDF
Publication page6d65a6270b128f6eb2817bfca129527f9065a3f8a54a8c260515fb865054f7c9
Manifestc2d8d67f02754f472040913974459483841b37dce58807006c21e33e70ae71c9

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
Signature9rwgIbLsEUpFDC6c7j5OzX11BiKfJWlWwkUBXi8pnI0R+8i38LgngRYLKQi7ScNFb3j5qRmd5XJFPpjKMburAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:10.322345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030434
observed 6d65a6270b128f6eb2817bfca129527f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.305092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030434/manifest.json
observed c2d8d67f02754f472040913974459483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.289171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030434/publication.md
observed 6ce04b1250004b578bd7f6f0fd481c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.272028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030434/publication.txt
observed d652aa97425741c7fe44cb7ade9238aa...
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.