OpenTechnical

OT-2026-000003851

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, two stage ejector

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-2026-000003851) never changes.

Identity and time

Publication numberOT-2026-000003851 · never reused
Internal UUID01a0a90b-402d-7825-8d7d-ba6520df4c80 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:01.967789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003851
StatusPUBLIC

Content hashes

Canonical text1a16bcb0994efe3818868a7df3e550bcfcc8e6440866ca8d49ecb89dd2da9430
Markdown42689b945e48d184ccf091ea6e3b2432235d6e3c6a1401e804ce1e8da3ea1f65
PDF
Publication pagec843f8900498fad487f1fbbb46a4ccc4e2ff15aaf3d0e8bdd0e1a28c77f4ed7f
Manifeste71069015f1df6b522f6df9b9c42db0a36aa2463ce911626215639ae2cc7d3be

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
Signature4J5C831K/yGCb9XPg/jWtAFStS4AxjKBvnWwq2PiamcJ8Zo27PpKmcTuld5pDHE2PrfYkGlQ5rcdAyofnAlFBQ==
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

2026-09-16T07:10:16.553758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003851
observed c843f8900498fad487f1fbbb46a4ccc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.540811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003851/manifest.json
observed e71069015f1df6b522f6df9b9c42db0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.525731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003851/publication.md
observed 42689b945e48d184ccf091ea6e3b2432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.511230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003851/publication.txt
observed 1a16bcb0994efe3818868a7df3e550bc...
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.