OpenTechnical

OT-2026-000020233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000020233) never changes.

Identity and time

Publication numberOT-2026-000020233 · never reused
Internal UUID01a0ae6f-4379-7889-9ae2-85c34a148188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020233
StatusPUBLIC

Content hashes

Canonical textb300cf1d6410f80d81831f7ff141baac2de5cac4cb800615b78bebdc37ee89a0
Markdown9d3bcdf5c5de1de11e3b1db5c6d5b636e4189ec8ad106c45469ab854d6fbdb5d
PDF
Publication pagee2ee65e83ced7014541fefdd93f5f5530b77bdce450c908aa3f11d4421809715
Manifest1d9d53015be1fc73d31ffd528b37611555e4f5d7e83f0ccd87216184083b3357

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
SignaturexgO/9K5uRNRJskd8yc+HdRgUw5SYdkJqGrpHBJVi4WGs/gcI3bL1uBZpvYWo2i1KCeDMH1zFM4JfDxJ+m8zIBQ==
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

2026-09-17T11:56:34.309768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020233
observed e2ee65e83ced7014541fefdd93f5f553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.288513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020233/manifest.json
observed 1d9d53015be1fc73d31ffd528b376115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.270629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020233/publication.md
observed 9d3bcdf5c5de1de11e3b1db5c6d5b636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:34.246423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020233/publication.txt
observed b300cf1d6410f80d81831f7ff141baac...
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.