OpenTechnical

OT-2026-000097031

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000097031) never changes.

Identity and time

Publication numberOT-2026-000097031 · never reused
Internal UUID01a0aea1-01c9-771b-ac2f-d13a8ba338f2 · 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-2026-000097031
StatusPUBLIC

Content hashes

Canonical texte498c3705c0ef1df321cd2a1696b26bbef30b938a699c9f866aabee3d105e0a8
Markdown8e886419d15ac5a41b7142f44af0b1bf16327e77ce06e459651c6dce3c2b908d
PDF
Publication page2cef8b0ba3056af9eb50b64589e02720add881569a42fcbcbce56ae002d535e8
Manifest60a923f2bd83d04f4981ddf98578d3cabf14cbf03237a7de814759f0a6733ba9

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
SignatureWM5I0+MuGE+xrZhLI3cttwpno4rIoiaP/qTcRvQPEt3mq4w+H0izmarUP5N3EVagqleadZ03Rdvgk5c7PLp+AA==
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

2026-09-17T09:10:32.620120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097031
observed 2cef8b0ba3056af9eb50b64589e02720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:32.602713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097031/manifest.json
observed 60a923f2bd83d04f4981ddf98578d3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:32.458054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097031/publication.md
observed 8e886419d15ac5a41b7142f44af0b1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:32.441368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097031/publication.txt
observed e498c3705c0ef1df321cd2a1696b26bb...
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.