OpenTechnical

OT-2026-000025514

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000025514) never changes.

Identity and time

Publication numberOT-2026-000025514 · never reused
Internal UUID01a0ae71-5fa8-721e-963c-6994a6208f76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025514
StatusPUBLIC

Content hashes

Canonical text48552344daf9c58b1397757413ad333c7c2391c9092d0e5141f8b784c8bfde2d
Markdowne6e2488922da1ed10c5711a9ce615000d72941b93b9210ca8778348230a7ab53
PDF
Publication page73f37f1648545265d292e062cf68ad36cac26905e9737948ce3cc30c7eeba877
Manifestcc10eab7f85d99fd258a0675a6a5ae64e11196944c628124faa791814931ec3c

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
Signaturek6STkyWOLOOHEHlgmBwX7AxvmiW5quW64uwPkucRg89pzW8qp6+HyPDVmAGxVZoAuRgKpPOyKrWQokemEn+mBg==
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

2026-09-17T11:47:38.943529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025514
observed 73f37f1648545265d292e062cf68ad36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.922777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025514/manifest.json
observed cc10eab7f85d99fd258a0675a6a5ae64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.807210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025514/publication.md
observed e6e2488922da1ed10c5711a9ce615000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.786590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025514/publication.txt
observed 48552344daf9c58b1397757413ad333c...
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.