OpenTechnical

OT-2026-000083574

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000083574) never changes.

Identity and time

Publication numberOT-2026-000083574 · never reused
Internal UUID01a0ae98-0415-70f0-b828-d031d1a46ef7 · 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-2026-000083574
StatusPUBLIC

Content hashes

Canonical text5e95927c5af0504f617d4f0c0d6d4e6c201d9c24a41f570f43f7545c066cb1d8
Markdowna7595608c86349bbfa61b7b48444c37682ae44c17f9b95fca4e19e608ca47680
PDF
Publication page410422f6567155b568f65dac8f6be8c9dfa61059a0b01161a4ac9f62cab4e590
Manifest1710ae3c7d938118c27c279253886d4f7881067795d361089ed448c648d66a39

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
SignatureNvxUMtuaN08BTz5I7EGqygjJ5v0hZ9FShiQ8rz8qD4Frs6I1ddK/E1l1F5arAvlI9UYVOOSKK4N+EH2bivvPDQ==
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

2026-09-17T09:57:03.797810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083574
observed 410422f6567155b568f65dac8f6be8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.780514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083574/manifest.json
observed 1710ae3c7d938118c27c279253886d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.764283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083574/publication.md
observed a7595608c86349bbfa61b7b48444c376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.747180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083574/publication.txt
observed 5e95927c5af0504f617d4f0c0d6d4e6c...
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.