OpenTechnical

OT-2026-000083520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000083520) never changes.

Identity and time

Publication numberOT-2026-000083520 · never reused
Internal UUID01a0ae98-0415-741b-b71a-8d04de267e26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083520
StatusPUBLIC

Content hashes

Canonical text888ef9ca5a99c8437e45dac8df67508eb0a236586aad64f26145439c83a6cd59
Markdown743ce9384ebea9585e50eff762d68114ce89da4a7c55e4a6f030c526c14cb9cc
PDF
Publication page7173acbbc6150d0557d50b7b28aa2d4663a366325d1d1bc89b00f638422183b5
Manifest5d081e2307b2a836a8c4b99ef8641ff47d35ef9b63faf25378e7b10bb232b334

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
SignatureQ6ZItHMuUop1Rxn4frXNwMQzUg4BiY4zqfQXtULWW4dkikrLkwHGeCg9BPtrWZjK8CWIwSBRKVHMF6AdOrPKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:30.072305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083520
observed 7173acbbc6150d0557d50b7b28aa2d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.053466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083520/manifest.json
observed 5d081e2307b2a836a8c4b99ef8641ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.996283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083520/publication.md
observed 743ce9384ebea9585e50eff762d68114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.908892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083520/publication.txt
observed 888ef9ca5a99c8437e45dac8df67508e...
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.