OpenTechnical

OT-2026-000041585

Publication integrity record

Six cup vacuum gripper, six 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-2026-000041585) never changes.

Identity and time

Publication numberOT-2026-000041585 · never reused
Internal UUID01a0ae79-e8a0-7de6-bad3-9ff9f4dd8983 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041585
StatusPUBLIC

Content hashes

Canonical text0c3f78561bb61b4f2fc8acff3a8110ac8ac895b0c3fa8228a4962f3154e4122c
Markdowndc7952d65b02d73ad16f792354948138d8b6f90a27a8012b4e7227434992c0d4
PDF
Publication page89884e644d9bcc6dfb4b7687f542765126ff04f4d24f32dd42b18e5bb3cd7d1c
Manifestac37afdaa8ca6cb33b4783a0169d0f4fa2c6531b80c80fa019487147233bc533

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
SignatureeGNUroj0ESwTYlhM5WjmlD3auSYuRYAEdWzRwyYONxurWWS3jRW8QJJHh1U6ycrIQwJj2u2hSYwKqaxrmPF3DQ==
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

2026-09-17T11:16:22.257035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041585
observed 89884e644d9bcc6dfb4b7687f5427651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.239762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041585/manifest.json
observed ac37afdaa8ca6cb33b4783a0169d0f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.222684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041585/publication.md
observed dc7952d65b02d73ad16f792354948138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.205570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041585/publication.txt
observed 0c3f78561bb61b4f2fc8acff3a8110ac...
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.