OpenTechnical

OT-2026-000047243

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000047243) never changes.

Identity and time

Publication numberOT-2026-000047243 · never reused
Internal UUID01a0ae7f-3e56-7560-b155-f9d33f460828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047243
StatusPUBLIC

Content hashes

Canonical text4bb0f48e8333751ff48e44171ba430ec1ccd89e6d77fe58030ed55fbe9079f6f
Markdown04b6ede93cd38a88c5533a63b45cad08937e3a82c085fc42f741f03abbd2ebfe
PDF
Publication page2d3f2ca074292a8c14e3c60bdcc3961322bb4cf32a0d774fabfa9720497c3478
Manifest6c81da8466f4852fc5c8e0cee8721cbe6b606fe1068f154e4a964edccfb9d5e5

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
SignatureN+yGvYIDt6DG/XdYkyv6BRs2ygRS4Ya90byC3khDVTmcS6HtgWSfY/f/km04q7v/RU29aySComePAgJcs1sVDQ==
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

2026-09-17T11:06:12.054812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047243
observed 2d3f2ca074292a8c14e3c60bdcc39613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.036918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047243/manifest.json
observed 6c81da8466f4852fc5c8e0cee8721cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.017114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047243/publication.md
observed 04b6ede93cd38a88c5533a63b45cad08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.000400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047243/publication.txt
observed 4bb0f48e8333751ff48e44171ba430ec...
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.