OpenTechnical

OT-2026-000003600

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three outlet manifold, three stage ejector, 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-2026-000003600) never changes.

Identity and time

Publication numberOT-2026-000003600 · never reused
Internal UUID01a0a90a-7f6b-7b0d-81e8-a20c7da0b64e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:12.621764Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003600
StatusPUBLIC

Content hashes

Canonical text4053f6f03485c04f011908d530746b3e79bd0f4fa85d10f6c3ea08c77d3b71eb
Markdown9d5092c3b3dae25c91e71720f0824d11503a96b379a563acd3e18f8fc6950f3b
PDF
Publication page29ea53772bd11f139bc09feb928d9f107d3c9f9a839007568c8506589409ec09
Manifest7329d069127a3beccfd12670fe757718cbd95ef1e2e60dd9062dc0e2ba5f09af

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
Signature8AFtTQvxFG7k5JxDL/VUtAF1SNaeNE6jG/ULDoh0/u+gLA4zO1UpkQ1RWZm1CENTyJtA8Y2MnpIZ7WDfrgp3Ag==
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

2026-09-16T08:40:35.237004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003600
observed 29ea53772bd11f139bc09feb928d9f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.222378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003600/manifest.json
observed 7329d069127a3beccfd12670fe757718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.207056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003600/publication.md
observed 9d5092c3b3dae25c91e71720f0824d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.190039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003600/publication.txt
observed 4053f6f03485c04f011908d530746b3e...
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.