OpenTechnical

OT-2026-000045878

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000045878) never changes.

Identity and time

Publication numberOT-2026-000045878 · never reused
Internal UUID01a0ae7d-8f06-7acc-bc96-48007f3a7220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045878
StatusPUBLIC

Content hashes

Canonical text3a5ca521a46afd427a3ecec88b38a7b01b434a19ec70c9d6716cd77580a46df7
Markdown3d2d9b50630731e46f19326c7b46eaa493add394640030b67f62d41b75fca30f
PDF
Publication page8b198df2de168557e6231b6b3b6f0b15fc4974e06b179a3bc79482e7e7792d5a
Manifest67bf39c1915d08eae9b283a5cb114c4f5cffad41809b12d86af18860463f1960

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
SignatureBVvsOImaF9C+RNBZym5XUkqahz3kf7eu2sTdGbik0dQnNUQLGoE9H4DxUI1C3a5AD0glxnIJuimBPPqwLZV+AQ==
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

2026-09-17T11:09:46.076016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045878
observed 8b198df2de168557e6231b6b3b6f0b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.056704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045878/manifest.json
observed 67bf39c1915d08eae9b283a5cb114c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.037742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045878/publication.md
observed 3d2d9b50630731e46f19326c7b46eaa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:46.017843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045878/publication.txt
observed 3a5ca521a46afd427a3ecec88b38a7b0...
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.