OpenTechnical

OT-2026-000041589

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041589) never changes.

Identity and time

Publication numberOT-2026-000041589 · never reused
Internal UUID01a0ae79-e8a0-7acf-b0b8-a309e987c392 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041589
StatusPUBLIC

Content hashes

Canonical text56610256bf1cc1ae582335fa448c3c9e117864665e4c612a9136273b4b19d2b7
Markdownf4b42fb44867882e416102ef1a19f95fdf49a76c7b3b0f301c2e03b21d4a8373
PDF
Publication page536cbe8b72f72610fbd3f63cc679d4bd73c742b1dbfd025ab27168f63697ae32
Manifest7c9f2d8a1ec3a227b82db6a1ecfe87f3ad0ce8f651a048bea64c8988348c2537

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
Signature7N8BHsqITfx98xhYlnYRXAlbjQdiEZ9uFb4JT2qB3Sl2ZQhl0rFUgWqJZkkpnjx8+w/mA3TVOPaxMkkFGZ81DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:22.683587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041589
observed 536cbe8b72f72610fbd3f63cc679d4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.666313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041589/manifest.json
observed 7c9f2d8a1ec3a227b82db6a1ecfe87f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.647114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041589/publication.md
observed f4b42fb44867882e416102ef1a19f95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.624905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041589/publication.txt
observed 56610256bf1cc1ae582335fa448c3c9e...
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.