OpenTechnical

OT-2026-000051566

Publication integrity record

Three pad foam 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-2026-000051566) never changes.

Identity and time

Publication numberOT-2026-000051566 · never reused
Internal UUID01a0ae83-7c81-7ac5-ba2f-c310492579ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051566
StatusPUBLIC

Content hashes

Canonical texta651384525a86750f372c9984bbce4a1a582f8ffbe8afe61448c8b66ebe51f62
Markdown42d170229c109522b0b31a4a7c6e506c06a17abbe02aaf26e8e04895de118117
PDF
Publication page5f2899d3ed5aca00174e58bfe8da3f7e1720dbc8a6cc1c89858fe68f556cb4f8
Manifestd473e1de9945fc80911a0c72302498334f52ad4ff4ed493de07609d12913cbf7

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
Signature8f0pNgNyQND0ciQLwkNRtVjid/3FzGeRxMVhXEa3ljB9mwvAJP8tRpMF8llSPp2KXEtvp8IxhmyMI8A6Ue20Cw==
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

2026-09-17T10:58:24.344644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051566
observed 5f2899d3ed5aca00174e58bfe8da3f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.320743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051566/manifest.json
observed d473e1de9945fc80911a0c7230249833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.299472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051566/publication.md
observed 42d170229c109522b0b31a4a7c6e506c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.281837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051566/publication.txt
observed a651384525a86750f372c9984bbce4a1...
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.