OpenTechnical

OT-2026-000048593

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000048593) never changes.

Identity and time

Publication numberOT-2026-000048593 · never reused
Internal UUID01a0ae80-4de8-75ed-98ce-3fafd3cdeb90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048593
StatusPUBLIC

Content hashes

Canonical text3600fa5516a5cdf6cf7eb001f7a8b0119bfad6e97e98d41a8e28280e1f31208b
Markdown046aa6294f1d0a5e5b04c131f47deb17202f765fb7bb7ed9bdff5ceb07274fbc
PDF
Publication pagea1248108e069c558015b181b393bab5c85b18d9513851d6264d6f7efaa814cb3
Manifestfe3f51710b7cf5c463b2906f28bdf68ae9c012531aec1f9a67c87220de15b8e6

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
SignatureddxRLO/wiPexVYL/Uhztj6futDvKVbEuLniM8eXznVxXcGAQk9QwcSnJCQMgwEgQbyBkIDhoWUER0fgiUf4PCA==
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

2026-09-17T11:05:24.221213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048593
observed a1248108e069c558015b181b393bab5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.198880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048593/manifest.json
observed fe3f51710b7cf5c463b2906f28bdf68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.176027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048593/publication.md
observed 046aa6294f1d0a5e5b04c131f47deb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.156502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048593/publication.txt
observed 3600fa5516a5cdf6cf7eb001f7a8b011...
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.