OpenTechnical

OT-2026-000022514

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000022514) never changes.

Identity and time

Publication numberOT-2026-000022514 · never reused
Internal UUID01a0ae6f-f4fe-7462-997b-02d307a4ccb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022514
StatusPUBLIC

Content hashes

Canonical textbb786d954854596631da0c4c49927cc17bc1cbdad3e542192c062dbb39e347ed
Markdownbf56c0d6c707c534c11611c5bd9de3d6a962e72b4dc8208579a55d5156d75515
PDF
Publication pagee9f1728ca90871b38328b7907c70a7440803e80eea026e63f514c91651352610
Manifest89ded53debdfc7ef2cf442c4a5dd6ad264b06e56f0ad4c3a5cfff468c94e4970

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
Signature5GmUSZCsi524CtCWyBbZPzEwYa2Kn8fGoSCHiriWzJXXAV9V90qstIJU+7b5AA7K22jhDRWVF3xsfUmiNe9BDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:56.618865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022514
observed e9f1728ca90871b38328b7907c70a744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.603166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022514/manifest.json
observed 89ded53debdfc7ef2cf442c4a5dd6ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.586613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022514/publication.md
observed bf56c0d6c707c534c11611c5bd9de3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.569741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022514/publication.txt
observed bb786d954854596631da0c4c49927cc1...
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.