OpenTechnical

OT-2026-000064861

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000064861) never changes.

Identity and time

Publication numberOT-2026-000064861 · never reused
Internal UUID01a0ae8d-debc-7bb9-aea6-ed2bb1ce0d7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064861
StatusPUBLIC

Content hashes

Canonical text228f86b7f2790a7e498ab153ace6cbba90f9688447023029c309de89cbed1aaa
Markdown1816b9dd11684499b9df049161e1d1bde176b56ac331d3f0a61f75d24c0713a5
PDF
Publication pagec63a6c54ef2b14fb1b0a5d98f11e15f49bd18478d932c6bdd96d7adeea7c0efc
Manifeste01a126d46fe4de23cd34c72b8ef5a4a37c82077d2d85c231e81dc5090766f89

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
Signature72+EUxF8uyyaGEqCKXG5pbFzzmc/FGDDH4DusH106tHvKAJQOwDWCz6QXKOdhVFEw1H6nA5Q1EZp5R/+UCo/DA==
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

2026-09-17T10:35:46.741702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064861
observed c63a6c54ef2b14fb1b0a5d98f11e15f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.725350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064861/manifest.json
observed e01a126d46fe4de23cd34c72b8ef5a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.708815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064861/publication.md
observed 1816b9dd11684499b9df049161e1d1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.690093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064861/publication.txt
observed 228f86b7f2790a7e498ab153ace6cbba...
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.