OpenTechnical

OT-2026-000066135

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000066135) never changes.

Identity and time

Publication numberOT-2026-000066135 · never reused
Internal UUID01a0ae8e-8dc3-7ad0-bd6f-4607e00ef45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066135
StatusPUBLIC

Content hashes

Canonical text71ae070cd62a023a6c4f6cc53191c525c41b7684090c6aa9a9f7e06c04f6942a
Markdown3388c050ddf44374a3cf17978e2a07c9e818310ad6ce1a3f41414e4a52db96f5
PDF
Publication page600215bb1f8f104853221567c75f918fd21313e9c5944e06e842f597efdbd30e
Manifest16e57738a9b33d60d870c3b95ecc6990497c5874f3e4058c53b6321a94c4153d

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
Signature7DQE6hRxJgwH79qfodv2p3rzpdPqIgYXWQjvMu0vIsFjjMK9xEBdOn6dA9nVLOOq4yHLnikupmaNWNOe0dhpAw==
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

2026-09-17T08:51:01.997513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066135
observed 600215bb1f8f104853221567c75f918f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:01.980011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066135/manifest.json
observed 16e57738a9b33d60d870c3b95ecc6990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:01.832216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066135/publication.md
observed 3388c050ddf44374a3cf17978e2a07c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:01.815230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066135/publication.txt
observed 71ae070cd62a023a6c4f6cc53191c525...
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.