OpenTechnical

OT-2026-000046487

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000046487) never changes.

Identity and time

Publication numberOT-2026-000046487 · never reused
Internal UUID01a0ae7e-57dc-79b8-9a58-96d2d9e87154 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046487
StatusPUBLIC

Content hashes

Canonical text13f063c73c0312e41c1252e3c6e9aae98f69989cbfa7b4f939500c3e0c2cc7a3
Markdown6bdfa490c43d5294732a47acac9be56ffafcee6af3c181e5c5483a5930671afd
PDF
Publication pagec657b39cc091a82b8a7558f034628ff4d968e573699bf2e63edd01fbf30c2872
Manifest9a40bed48f34d66c509016071b450f2ff0d684565d27b7bb61c9073309081cb1

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
SignatureWcSyxFzLk2pilC7RZpKyKWRmBjITEFznaK7qTVZ7bb8ieYt+6nPWazub4Fqlu9ZPQ1BBvSvejMprxpriwfpnAw==
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

2026-09-17T11:08:31.411529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046487
observed c657b39cc091a82b8a7558f034628ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.393932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046487/manifest.json
observed 9a40bed48f34d66c509016071b450f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.376991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046487/publication.md
observed 6bdfa490c43d5294732a47acac9be56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:31.360602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046487/publication.txt
observed 13f063c73c0312e41c1252e3c6e9aae9...
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.