OpenTechnical

OT-2026-000005424

Publication integrity record

Porous face vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000005424) never changes.

Identity and time

Publication numberOT-2026-000005424 · never reused
Internal UUID01a0a938-9387-78f6-864d-09f5c4e644c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:32.426245Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005424
StatusPUBLIC

Content hashes

Canonical text4c7bd42d3ef3ff1225f5ad0c22ea87e6fe3f10846336c5d6cf8b9fae687bf07d
Markdown902dbe5c454b7c483678d879ec1351f23e1e4dff2d2585fea2d9d72538aec74c
PDF
Publication pagec349b1a7c4d9e0017294e78c62cedc96e1447da3eaba33819c8889abcf37e19c
Manifeste3e714e7bc87f93a7eb0edf778e0a9fd115d851aa320028d0063af3bd63f2e48

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
SignaturewhDdeoEfrc+P+1HV2Fn8Vq9BgUfEhZ0Hqm/g/8QE3lX0OZtYJd34eJeVZgHW0b7HTebc8/VP/QRDDfVFx1bMAw==
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

2026-09-16T08:00:11.174394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005424
observed c349b1a7c4d9e0017294e78c62cedc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.160692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005424/manifest.json
observed e3e714e7bc87f93a7eb0edf778e0a9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.147298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005424/publication.md
observed 902dbe5c454b7c483678d879ec1351f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.132138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005424/publication.txt
observed 4c7bd42d3ef3ff1225f5ad0c22ea87e6...
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.