OpenTechnical

OT-2026-000034041

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000034041) never changes.

Identity and time

Publication numberOT-2026-000034041 · never reused
Internal UUID01a0ae75-df0c-769f-862c-492253cd6c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034041
StatusPUBLIC

Content hashes

Canonical text23dea5a95bad9ad316a8721cded106d635e730a7fbd2d80d39ba5cf5ae5eb6de
Markdown650281663b363e8d37bf03b0d6fcc42feed39c482cba9e2ef158347ac9a1421c
PDF
Publication page29261f19ac758c4c717b6125e54607fb9a7b2d64f7621426b4fc926f1483c329
Manifest85c3a46d6ee3d98466ec8c26d7f209601a0dae5f35acece9bc1a1d625511936f

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
SignatureTxSQdymWQ2KlOmu0Ww5o7+1D/wjzPhp4FYeZYqQ6WmuWw/bQBXEze8PUOAGkNVz1Pw+SN39yYx45KPoREr97Bw==
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

2026-09-17T11:30:16.505586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034041
observed 29261f19ac758c4c717b6125e54607fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.487575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034041/manifest.json
observed 85c3a46d6ee3d98466ec8c26d7f20960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.464653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034041/publication.md
observed 650281663b363e8d37bf03b0d6fcc42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.443564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034041/publication.txt
observed 23dea5a95bad9ad316a8721cded106d6...
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.