OpenTechnical

OT-2026-000045615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000045615) never changes.

Identity and time

Publication numberOT-2026-000045615 · never reused
Internal UUID01a0ae7d-8f03-71ea-ba8f-0c0285f54416 · 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-2026-000045615
StatusPUBLIC

Content hashes

Canonical textb11a155afe2879e922234f7c85073d7698ac3d9c972891ccf08dfb4550452619
Markdownca0595d4525fd3ee57d6f893172843a3f6191f7fc76b55af3de44d16c339fa7f
PDF
Publication pagec2ca7aae7e85ae19d4d7d1d2940c493a8d9a2834b7a813f0e3dbc737f214a3ca
Manifest4ad3c57b428fc2b5ff7f48d14d9772b00f0712eace44db1b610ec5f7341da509

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
Signatureyl/nkPKAidx2Nqa7Z+2s0CsyWqMj2CvRlX6L39/KebY5ZZNL6AwDd8GcC7oOS/dx2Ypftw9v4dVzhteROvTBDQ==
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

2026-09-17T11:09:23.633856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045615
observed c2ca7aae7e85ae19d4d7d1d2940c493a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.616613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045615/manifest.json
observed 4ad3c57b428fc2b5ff7f48d14d9772b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.598617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045615/publication.md
observed ca0595d4525fd3ee57d6f893172843a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.577859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045615/publication.txt
observed b11a155afe2879e922234f7c85073d76...
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.