OpenTechnical

OT-2026-000004106

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, ejector fed, pressure verified

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-2026-000004106) never changes.

Identity and time

Publication numberOT-2026-000004106 · never reused
Internal UUID01a0a90e-c993-743f-81df-aa33a9b907e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:53.750323Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004106
StatusPUBLIC

Content hashes

Canonical text6a73b0d3168e10ebca66c6f317cc011690a3c2fe48ede5529b4949e55c2f2923
Markdownbf877aaa1e347f67adc222f3d974f74bbe077c1b322c59f70fe08dd5290e3d60
PDF
Publication paged11e193bbaef9cdd069acae97c0d5d3dd2ddc493c451f18ea9c66e7f7b1842df
Manifest20b085ab2a3bc37000935a619ac5ea9fdbc6ce805a0010b32fdf17fe4c55dc07

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
SignaturevRZ2kF/rPzoX//cUajPTb9EW/6m27t6rolbSWP2/y9VIKm4HHhvyQ1YXjBBKzOlXIABjatSOgF4rG9n4AyRrBg==
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

2026-09-16T07:20:35.903817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004106
observed d11e193bbaef9cdd069acae97c0d5d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:35.891543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004106/manifest.json
observed 20b085ab2a3bc37000935a619ac5ea9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:35.877193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004106/publication.md
observed bf877aaa1e347f67adc222f3d974f74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:35.739698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004106/publication.txt
observed 6a73b0d3168e10ebca66c6f317cc0116...
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.