OpenTechnical

OT-2026-000014801

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014801) never changes.

Identity and time

Publication numberOT-2026-000014801 · never reused
Internal UUID01a0ae6d-d094-7193-94b6-1d07bb219e59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014801
StatusPUBLIC

Content hashes

Canonical textc08091d28240d01b970a2991238039aac3bdd31fb89bdf0414477278ab630db3
Markdownc28a38c44e01a354cbae1c14259ec0c149d730e523330e0cc63ead70a710d3fd
PDF
Publication page9a97db90d7654c32a66b83e7ea9c36cbd7eab51e4fa66e530bdcb2f0d9e29c57
Manifestda20e1a2089f10f61b8011acdae633b9063ade117a96c54a43e98bc421c028b5

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
SignatureKiQrInuqHQ1QsvIy1w7j+oYmLZPSRSjnkGe/n/RfVArtB116IOOq6JWRtdm551bDZw+brax5S/SjIWUwpeRgBQ==
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

2026-09-17T12:06:41.874755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014801
observed 9a97db90d7654c32a66b83e7ea9c36cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:41.854081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014801/manifest.json
observed da20e1a2089f10f61b8011acdae633b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:41.834985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014801/publication.md
observed c28a38c44e01a354cbae1c14259ec0c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:41.816297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014801/publication.txt
observed c08091d28240d01b970a2991238039aa...
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.