OpenTechnical

OT-2026-000004045

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, contact triggered, polyurethane cups, flat form

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-2026-000004045) never changes.

Identity and time

Publication numberOT-2026-000004045 · never reused
Internal UUID01a0a90d-2597-795a-98b0-658b84e832f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:10:06.233645Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004045
StatusPUBLIC

Content hashes

Canonical text05a7685504a1c89a3ac3099a8522f1c2397df34c87b4bfc9900b6622e3d6aefe
Markdownfe7d88e8d2b1aa1f17acd01208b134e700ea8d93534a4d3193dcdc54a7dc173a
PDF
Publication pagebeb412f52e21f1123777cd47bd5d19cb595e6e189e288331483b44bf467211e0
Manifestc3385c75b947d4b660faff00a0f2d80227f804d7b16abb8dacb2bb3e0fdaf40d

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
SignatureYaXXvVbBt5pjGC8qrP+y15ztApRBqy8+aBr1AD8Wj1H6Y6QBPJGz89rp7UnkCTW3gqXl8Q0+TkwIY77KxzaHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:40:34.473760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004045
observed beb412f52e21f1123777cd47bd5d19cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:34.460460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004045/manifest.json
observed c3385c75b947d4b660faff00a0f2d802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:34.449456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004045/publication.md
observed fe7d88e8d2b1aa1f17acd01208b134e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:34.437011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004045/publication.txt
observed 05a7685504a1c89a3ac3099a8522f1c2...
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.