OpenTechnical

OT-2026-000045935

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000045935) never changes.

Identity and time

Publication numberOT-2026-000045935 · never reused
Internal UUID01a0ae7d-8f89-7edc-b496-db930fae2c9f · 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-2026-000045935
StatusPUBLIC

Content hashes

Canonical text3a980447bd169756f68f30b0d285e567b2c701a148da020e94b91aefe6ba59fd
Markdown42263546fe14bc83bfb8936486f7e8f1928c5c7b0b8f915ca8d97d57d4ab3f24
PDF
Publication page5fcdb9fd9adcc5f574e9a06795ced679d57da743d9222b9c5d881ef94ef9a078
Manifest3f59ef923bae3de01a635a63f0a299bcea0c8640ee17a9ad89e338bdf968c7b5

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
SignaturemlEldRLJVxtr7Y5HH/1MYjDzgeXQs+RAPFcEROtzgrXCV5g4BvjT+ig7kTAxhWSgsB3p5Mt8BA92ERYRcKGoAg==
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

2026-09-17T11:09:50.637316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045935
observed 5fcdb9fd9adcc5f574e9a06795ced679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.617731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045935/manifest.json
observed 3f59ef923bae3de01a635a63f0a299bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.599831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045935/publication.md
observed 42263546fe14bc83bfb8936486f7e8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.580670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045935/publication.txt
observed 3a980447bd169756f68f30b0d285e567...
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.