OpenTechnical

OT-2026-000041801

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000041801) never changes.

Identity and time

Publication numberOT-2026-000041801 · never reused
Internal UUID01a0ae79-e8a4-7132-a921-68aa96127d99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041801
StatusPUBLIC

Content hashes

Canonical text0f290906154a197104738b138199444ee7ed0a97ddc8fd28c61093aff4b473b4
Markdownd9b8e147c124bdaa93c56ad15626152c8e04847acb80bd1ac099a43c0638f387
PDF
Publication page76189873fdae9a5afdb4e9aa23aad6f22df28f5f93573e48865202a64e76ce03
Manifest8e7cbd003651c054b7d666036c9164139d423af1814f8d2743241a9c7f5cc999

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
SignatureZxs6P862HDe3mvXUVZWzESsQKx9K+wOAUkQhPbyK+AH6+qwRh04r/ut7wTttpo7I6GmKn4Q5KhCT4e1Bc7feDg==
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

2026-09-17T11:16:39.586117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041801
observed 76189873fdae9a5afdb4e9aa23aad6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.567529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041801/manifest.json
observed 8e7cbd003651c054b7d666036c916413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.542327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041801/publication.md
observed d9b8e147c124bdaa93c56ad15626152c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.518174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041801/publication.txt
observed 0f290906154a197104738b138199444e...
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.