OpenTechnical

OT-2026-000063619

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000063619) never changes.

Identity and time

Publication numberOT-2026-000063619 · never reused
Internal UUID01a0ae8c-f945-798b-9580-d922a3bb31e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063619
StatusPUBLIC

Content hashes

Canonical textc454a4ff90d3cba1dc24ae46475916d2107abb8bf37f54df6a429f6abd7fcc63
Markdownccde301ad318b901c545cc7c58b00ffc251d1a3589b605ba7c5a259b5b5739cf
PDF
Publication page56e9f4e8b40a5cf5988e743b0af8683e46d2541277bf9327c8a73a60e66065d1
Manifestf808ee1a9d2809d102bc74dac0bdeb02992d96dbde8778db56bcf58656a42d4b

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
Signature9pN6VzquJzJ29lnx6X6pEt0WqKMIgzy38CdhU72FJRikgLzEY2zzpwSjzUJP/1WgBkfZSAQyOfsUojsTK6tJBw==
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

2026-09-17T10:37:38.736803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063619
observed 56e9f4e8b40a5cf5988e743b0af8683e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.715785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063619/manifest.json
observed f808ee1a9d2809d102bc74dac0bdeb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.694749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063619/publication.md
observed ccde301ad318b901c545cc7c58b00ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.673788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063619/publication.txt
observed c454a4ff90d3cba1dc24ae46475916d2...
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.