OpenTechnical

OT-2026-000016941

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000016941) never changes.

Identity and time

Publication numberOT-2026-000016941 · never reused
Internal UUID01a0ae6e-591a-7e06-8d4a-c3a3f0f986fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016941
StatusPUBLIC

Content hashes

Canonical text6933b93b9b0608f09ddab56542012dbc54f37cb8979447223445fc4816b38ee8
Markdown8ca093b7fdcfa11ac48aa5797086a36217f2451ba315e95cad474eb1be09bebe
PDF
Publication page8022e2c442ef9547d2eb4af75bce39212890698e7fee286355048180d4835b52
Manifest7956a2db04ac349f97fc1bcff2648deb403508bce0aff39f44e4b6c42778b734

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
SignatureiDy76uABL46b9lK0SYTRt1o2uZJ1wTqFrt0rdzcVmBmyyFXtSnanR2Dt7DuzGp5ctjBtJFccNkCMBLYtBjODBw==
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

2026-09-17T12:03:13.533186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016941
observed 8022e2c442ef9547d2eb4af75bce3921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.518315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016941/manifest.json
observed 7956a2db04ac349f97fc1bcff2648deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.499999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016941/publication.md
observed 8ca093b7fdcfa11ac48aa5797086a362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.483498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016941/publication.txt
observed 6933b93b9b0608f09ddab56542012dbc...
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.