OpenTechnical

OT-2026-000041401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041401) never changes.

Identity and time

Publication numberOT-2026-000041401 · never reused
Internal UUID01a0ae79-b145-712c-993e-d2630e40ec03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041401
StatusPUBLIC

Content hashes

Canonical texte4143375c11979d1e4907529976eed186c668a112c1f0d713e79bb71c305aea9
Markdown0e04a525f47bc531e11e58844fb68bc495d3888ed44c004b25ee9818f62588f7
PDF
Publication page9dc4d55aea4280d4085322575715aee855922827eb68a9a17f9308036e95f442
Manifestc2ec9301333e5ee3902cae6a5c273f44efcc4b691d544ecbe968acad9280a4c3

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
SignatureiBs1BTQKP0iBijgHFxbB2v3J35qR6uTnnNR/1yXEneZNNh1qYPKiskgpu4vpXXWw3B8QpuACqF/nDmgGRDY8CQ==
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

2026-09-17T11:17:24.803062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041401
observed 9dc4d55aea4280d4085322575715aee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:24.784415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041401/manifest.json
observed c2ec9301333e5ee3902cae6a5c273f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:24.766001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041401/publication.md
observed 0e04a525f47bc531e11e58844fb68bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:24.748108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041401/publication.txt
observed e4143375c11979d1e4907529976eed18...
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.