OpenTechnical

OT-2026-000049861

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000049861) never changes.

Identity and time

Publication numberOT-2026-000049861 · never reused
Internal UUID01a0ae81-fd75-75ef-85fc-80c4ea0a559d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049861
StatusPUBLIC

Content hashes

Canonical textad485c6791c21ff5dd52a3be4c9c454e0c0f589ef4d23ecd996cc0062e047355
Markdownc0b8c642fec9840002b46f32e3b5303dc5969dac33be7e5f63514b79fa533202
PDF
Publication pagebc9f3a8def3532e57896e8efa2e8bdba753d4eb16dec6e6748c1e086fda8826e
Manifest007a0043c4e1452706c9ffd23b44492e8ab038149defb1d9d64dfa3550d3d230

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
Signature+JYcn6Fu/4SUcZoPm9if4gAIq2Ca0YQoZKIhTfMOWtR92hYa7Xs0F4LvtnupfvquJ8gzoaIJrL58AOIpSmAuCw==
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

2026-09-17T11:01:45.972818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049861
observed bc9f3a8def3532e57896e8efa2e8bdba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.954586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049861/manifest.json
observed 007a0043c4e1452706c9ffd23b44492e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.934324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049861/publication.md
observed c0b8c642fec9840002b46f32e3b5303d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.917246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049861/publication.txt
observed ad485c6791c21ff5dd52a3be4c9c454e...
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.