OpenTechnical

OT-2026-000045651

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045651) never changes.

Identity and time

Publication numberOT-2026-000045651 · never reused
Internal UUID01a0ae7d-8f03-763c-b154-86b608b61ae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045651
StatusPUBLIC

Content hashes

Canonical text56afefce540ccdf3ff0feaee6fe06d0d372a7e9ce7f87970759da5d0c9dc4a5c
Markdown735984b5113238e5398625949ad7bac1d140f42f1da61d766543476d1a63d579
PDF
Publication pagef622dbc4c29a8eeb63718ebb1eec6e7ce5d028ce26dd37ae3a76db6acb7477d9
Manifest163c1b284f2838f4656bf7ac0c04c0715de5b4678931f0059cbe14833dcd8cb4

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
SignaturepmMBeREjX4dlZo/dotE9BiGlxeDHF4gQ1kfruf2yPJPFIEOrhRCO+yFqP711SICOy0/3+z1cZ3/BTGeXHRw+Ag==
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

2026-09-17T11:09:26.476285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045651
observed f622dbc4c29a8eeb63718ebb1eec6e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:26.456211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045651/manifest.json
observed 163c1b284f2838f4656bf7ac0c04c071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:26.437189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045651/publication.md
observed 735984b5113238e5398625949ad7bac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:26.419717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045651/publication.txt
observed 56afefce540ccdf3ff0feaee6fe06d0d...
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.