OpenTechnical

OT-2026-000067041

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000067041) never changes.

Identity and time

Publication numberOT-2026-000067041 · never reused
Internal UUID01a0ae8f-14fe-770e-945e-3884265964a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067041
StatusPUBLIC

Content hashes

Canonical text3787d6ef7b9604d847159499460c9d8e95dcdeced0dc2e13474a941bba2340b0
Markdownd28eec5893b7ed788a5cf7482d8fa31962059e80ddf7b4234a18541ff56570e6
PDF
Publication pagec490ef29739039e7a2d979ffeb543d2b7a906a99e1fd81b9baa3f2b2522a469f
Manifest7befb1cce9ee955926b6e448e7848a66714352f2427349091f1e84ca10f2002a

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
Signature5zE58HNxgme6QXnibOd7wG5prfvreaQoE6ROWBJPW8bVPyF1y3rA9o2rlo7H3o31w5zf1W2jM3sdXTsgSkqUAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:17.523122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067041
observed c490ef29739039e7a2d979ffeb543d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.501788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067041/manifest.json
observed 7befb1cce9ee955926b6e448e7848a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.479839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067041/publication.md
observed d28eec5893b7ed788a5cf7482d8fa319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.458781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067041/publication.txt
observed 3787d6ef7b9604d847159499460c9d8e...
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.