OpenTechnical

OT-2026-000005395

Publication integrity record

Porous face vacuum gripper, two outlet manifold, ejector fed, contact triggered

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-2026-000005395) never changes.

Identity and time

Publication numberOT-2026-000005395 · never reused
Internal UUID01a0a937-ad03-7bcf-b0f0-3d3329c99df9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:33.413457Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005395
StatusPUBLIC

Content hashes

Canonical textc73c509d4a2043ce60a841f33a5c0255538795f266dd750c49c1cb542d5e6926
Markdowna1497f5ad3145a4cbd65f767a37095e6b02866cadb186219675c6761ff3acd93
PDF
Publication pageda322ec713fdfe206b7af7d51cbd426f3b350e880a9b67cf107f66ace7a78ece
Manifest9d76efcdffb4eb0f66943304e52c7b13d46cdcb05ef34f0d30c6f9eb31b39e9a

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
Signaturev4GJhF79zO/6yGHB4nhfAxX89S7EM42qPqRHfH9iH+76HsWZozYTioyLA0F9fIPyLiecVC0EzjARTZ5D2k07AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:14.449546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005395
observed da322ec713fdfe206b7af7d51cbd426f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:14.433606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005395/manifest.json
observed 9d76efcdffb4eb0f66943304e52c7b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:14.418991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005395/publication.md
observed a1497f5ad3145a4cbd65f767a37095e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:14.403811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005395/publication.txt
observed c73c509d4a2043ce60a841f33a5c0255...
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.