OpenTechnical

OT-2026-000013137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000013137) never changes.

Identity and time

Publication numberOT-2026-000013137 · never reused
Internal UUID01a0ae6d-6fc8-779b-8f62-b8fdf7fc4ab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013137
StatusPUBLIC

Content hashes

Canonical text86dec7d57c3844e5d1fd9086d66ffe7d0b8b0553724167f7b016097889884c44
Markdown4e7aba00b87ccbf17da5d9464d862d85b33fd33a61f502a77407efefe1e562ff
PDF
Publication page5a888102cf00ba9e6650a146d73263204b88ba2fe93ba87c055e3595e93295ae
Manifest5f5c5f9a88f484f247bb9c06ddd1730096551eae5b1e342704bc71a1a3cd5c4e

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
SignatureUN6GRRUjR9zZ2JmKaKVHqOuSgEVmAe+/hjln6CTB5j0Iz3ysD9qgHrYh6n9RiJ3PDia5jT2kVT4kikOmBO4UDg==
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

2026-09-17T12:09:29.979211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013137
observed 5a888102cf00ba9e6650a146d7326320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:29.852285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013137/manifest.json
observed 5f5c5f9a88f484f247bb9c06ddd17300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.803116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013137/publication.md
observed 4e7aba00b87ccbf17da5d9464d862d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.781235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013137/publication.txt
observed 86dec7d57c3844e5d1fd9086d66ffe7d...
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.