OpenTechnical

OT-2026-000050829

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000050829) never changes.

Identity and time

Publication numberOT-2026-000050829 · never reused
Internal UUID01a0ae82-c7b2-7ee4-899e-e9474c7f04a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050829
StatusPUBLIC

Content hashes

Canonical textbbbefb46456f864ae5c800b96b8979e9f215a3099f8a886312197cf0b59cb4ce
Markdown6d02abdd2523c39d1c28c834ffad9602b2a5965f03431d8b544a226e67e92dde
PDF
Publication pagee041bbd4688f86704cc6a519503131a4aeddab9d7f08d20eb94304b71e04e1a8
Manifesta4b140e01e0a58b4d543d25bc6c4313a8493a1785d0a5b68d3ee1c679b45562f

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
SignatureCjUvdquzIcukde6RwnJL6+H63WM7fOel7Df3gvfjdiiATq+A46sTDeJhYQERrX6fpjoyAwUxDA564XCjc73RCw==
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

2026-09-17T11:00:23.083109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829
observed e041bbd4688f86704cc6a519503131a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.062861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829/manifest.json
observed a4b140e01e0a58b4d543d25bc6c4313a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.048490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829
observed e041bbd4688f86704cc6a519503131a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.043640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829/publication.md
observed 6d02abdd2523c39d1c28c834ffad9602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.022932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829/manifest.json
observed a4b140e01e0a58b4d543d25bc6c4313a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:23.018010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829/publication.txt
observed bbbefb46456f864ae5c800b96b8979e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.994442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829/publication.md
observed 6d02abdd2523c39d1c28c834ffad9602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.967661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050829/publication.txt
observed bbbefb46456f864ae5c800b96b8979e9...
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.