OpenTechnical

OT-2026-000031326

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000031326) never changes.

Identity and time

Publication numberOT-2026-000031326 · never reused
Internal UUID01a0ae74-87ac-7c61-8250-380474961a89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031326
StatusPUBLIC

Content hashes

Canonical textafaee88e79280cd8e33b26650bd4950481bb2311f967c44d31545d74854b3189
Markdowncb9a373f347e4a8a95adf63af70840a15203627bc4201c11b70549796e911d2e
PDF
Publication page5182138c9fac5b5edbf3c7297c3d375661e71dd6d21b3ca1fc3cdd090ef891c4
Manifest1056771bbe72409b32fdadece203a617919abc6fbcc8fd7fa7c6622eb72ee548

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
SignatureJ1oVU/t1c2JRqnIg7UigSJWCvZDnrlnEsap/4kj9kX233pYdlQX30jT4ZRkqxlJYvoR/5ZdsiiQd81IKm619DA==
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

2026-09-17T11:36:01.060815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031326
observed 5182138c9fac5b5edbf3c7297c3d3756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.042183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031326/manifest.json
observed 1056771bbe72409b32fdadece203a617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.022803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031326/publication.md
observed cb9a373f347e4a8a95adf63af70840a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.006526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031326/publication.txt
observed afaee88e79280cd8e33b26650bd49504...
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.