OpenTechnical

OT-2026-000064738

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000064738) never changes.

Identity and time

Publication numberOT-2026-000064738 · never reused
Internal UUID01a0ae8d-deba-799d-bd3e-7648d6f658c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064738
StatusPUBLIC

Content hashes

Canonical text5a7cbe982ec1270d4395a446d302c2bc1f40ee4c2ac4e7905e49bea8654b7ca6
Markdown2b8df943d6c79fbe5f2db6434fa25fcc849dc6a576e0ebf90741d53a948fd668
PDF
Publication page98a8606141458dc1828d7d37cf8a908dd77ec14a2d16847c72ae6296e9b2b620
Manifest289511e58e1e92e90423667cbca99af86f51d7d05341d5f9a34678f6d6d4eb6e

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
Signature+dOZzTB5KdFTv8A4dyRiruhdodyzJPB8Bu295PotuvaJ9jc5JJJtKg8BaQ6VJXAknCijSlzne/TkJZn150MRDw==
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

2026-09-17T10:35:37.071724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064738
observed 98a8606141458dc1828d7d37cf8a908d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.054854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064738/manifest.json
observed 289511e58e1e92e90423667cbca99af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.036482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064738/publication.md
observed 2b8df943d6c79fbe5f2db6434fa25fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.019102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064738/publication.txt
observed 5a7cbe982ec1270d4395a446d302c2bc...
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.