OpenTechnical

OT-2026-000065173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000065173) never changes.

Identity and time

Publication numberOT-2026-000065173 · never reused
Internal UUID01a0ae8e-1df9-709c-83cc-896e715253a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065173
StatusPUBLIC

Content hashes

Canonical textbdab933edc940cd281ab0813dfa219964c6179e9be14fbf6fbf7785cf979a0f4
Markdown529363ceba911c0c699b7c1b48e58a61a3b861d5a161e07bc0dfcdd92a87bb78
PDF
Publication pageb23d7cb96514eb99d32cf467f0e5317d4d323346ad9d2d2f0937433f1f17b47b
Manifest0e6f08278b063f1b4700658fc7793ba7e80c61513f3e3656494aba039659945e

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
Signatureegx2Qf/casXXwnptRmVEiztOkcXjYwcFT/kgCZ8b3o5+SKSLRveDNLdBTvmjmxhX1S6PrsQVt2pehMW2u7A8Dg==
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

2026-09-17T10:35:00.941015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065173
observed b23d7cb96514eb99d32cf467f0e5317d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:00.922869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065173/manifest.json
observed 0e6f08278b063f1b4700658fc7793ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:00.904172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065173/publication.md
observed 529363ceba911c0c699b7c1b48e58a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:00.885253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065173/publication.txt
observed bdab933edc940cd281ab0813dfa21996...
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.