OpenTechnical

OT-2026-000104035

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104035) never changes.

Identity and time

Publication numberOT-2026-000104035 · never reused
Internal UUID01a0aea5-341e-707a-a988-11f7e526db4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104035
StatusPUBLIC

Content hashes

Canonical text63c2499306d5e90314ad0b3df8a83c54a8a9eebb8cba869a28f3adaaf5e2247d
Markdown9f3ce85bbe14170744656dc23e1c37e441ae6f30208886f237f481ac5d64135a
PDF
Publication page7c548a06f1df95ed423a114e7ad3d1c26aaf932501e597ae22781ab6d29353d5
Manifest44d31d59fff77b54236e402e9b2f190e77513c6acc405f1a540bd63ff5d27873

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
Signature8z0tXKJlHgw3Se/DC/2ufmWfzKgfFY7KaENXG87yAPpArdapCCAr5L6suy9DEo44+bZuEWMn1feLKmVdsnFzAw==
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

2026-09-17T09:20:05.939498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104035
observed 7c548a06f1df95ed423a114e7ad3d1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.922893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104035/manifest.json
observed 44d31d59fff77b54236e402e9b2f190e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.905365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104035/publication.md
observed 9f3ce85bbe14170744656dc23e1c37e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.887266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104035/publication.txt
observed 63c2499306d5e90314ad0b3df8a83c54...
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.