OpenTechnical

OT-2026-000067929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067929) never changes.

Identity and time

Publication numberOT-2026-000067929 · never reused
Internal UUID01a0ae8f-c4fd-7c34-88b0-5771b07fd972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067929
StatusPUBLIC

Content hashes

Canonical text92f172e85c61f9d836a7689d6d15b96f39cb5a4725770e451508f48c4dcb7281
Markdownd16a3004c4d8872a5edcd7e473488a263403fe297f7c2386a917058aad662eaf
PDF
Publication page893d36e5b01a1c53b418b00a17639cf8ae24c2d77ec5f8df7ed3ebe67ba99ef2
Manifestc049a9dbfc33a2052c2ac5c0e8e90a24a7cca69aa1f7eba560fa85bc8cd271ee

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
Signatureva0mVYx/6gBTtOJX89ACtWubB07kt0/D+CVjfYSXIIZ9epOZZQpriVyOrDbqi5FVuoz20gfVGLsUs/dQArD8Aw==
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

2026-09-17T10:30:20.431068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067929
observed 893d36e5b01a1c53b418b00a17639cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.414592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067929/manifest.json
observed c049a9dbfc33a2052c2ac5c0e8e90a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.396901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067929/publication.md
observed d16a3004c4d8872a5edcd7e473488a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.380030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067929/publication.txt
observed 92f172e85c61f9d836a7689d6d15b96f...
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.