OpenTechnical

OT-2026-000022843

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000022843) never changes.

Identity and time

Publication numberOT-2026-000022843 · never reused
Internal UUID01a0ae70-46ea-794e-b902-cde7ba845ba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022843
StatusPUBLIC

Content hashes

Canonical text57c3c393dafbed73e702184c6cd3ce0fcd89675980ad80c57e2dec6ddee6f93a
Markdown0db409550f11dc6559e43e01c0857f07a67cf18a9eb0c83ef4370c0d797d4759
PDF
Publication pagec0540e05d992f3ceb666a5f4508bd1fd493a4faa496daa633f12ee39c371f6cd
Manifeste6df03385fd3f48ebbe99aae6d01e84d83ace970afd22c23f32ea49f1ca7310e

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
SignatureIjxZKiyXHU+7rvEYD1Pc+9bvf7QRojGA8yTqDxR5LqpuyhLpNae36oZApnAKM7kZigZnAsqv+WiBULORYEHhCg==
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

2026-09-17T12:43:33.300679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843
observed c0540e05d992f3ceb666a5f4508bd1fd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:33.135809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843/manifest.json
observed e6df03385fd3f48ebbe99aae6d01e84d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:33.005146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843/publication.md
observed 0db409550f11dc6559e43e01c0857f07...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:32.772250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843/publication.txt
observed 57c3c393dafbed73e702184c6cd3ce0f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.766600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843
observed c0540e05d992f3ceb666a5f4508bd1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.746222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843/manifest.json
observed e6df03385fd3f48ebbe99aae6d01e84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.727658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843/publication.md
observed 0db409550f11dc6559e43e01c0857f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.708383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022843/publication.txt
observed 57c3c393dafbed73e702184c6cd3ce0f...
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.