OpenTechnical

OT-2026-000100497

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000100497) never changes.

Identity and time

Publication numberOT-2026-000100497 · never reused
Internal UUID01a0aea3-66f0-72cf-bd27-88b216e2c8d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100497
StatusPUBLIC

Content hashes

Canonical textd0dd186b28717746b1f3b4fecc28648e4aa358d3cd99b4498a3337a420bb3c1c
Markdown43d75e3256ef209510e2e4dad46045ee86c484fd0dea84a991ac1da8a60d6240
PDF
Publication page970534f1ff8adad36afe24038601730f9c17073996662a996d7d3712392d0734
Manifesta9735632b283d94a4676500ed1d5987e983611aaed980dc3002d82bef30df94d

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
SignatureQO6LrNf73+zfGzjtvKyoFFJ64HsACIUJT4FyulsWl3m+3Ssf7jTTIunkWb0P9vtQ0I5VPIWkYG3Kqn/u56JTCw==
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

2026-09-17T09:27:15.531404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100497
observed 970534f1ff8adad36afe24038601730f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.515823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100497/manifest.json
observed a9735632b283d94a4676500ed1d5987e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.497828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100497/publication.md
observed 43d75e3256ef209510e2e4dad46045ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.480462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100497/publication.txt
observed d0dd186b28717746b1f3b4fecc28648e...
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.