OpenTechnical

OT-2026-000018909

Publication integrity record

Two cup vacuum gripper, two 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-2026-000018909) never changes.

Identity and time

Publication numberOT-2026-000018909 · never reused
Internal UUID01a0ae6e-d522-7bbc-a959-f1ab15a15e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018909
StatusPUBLIC

Content hashes

Canonical text12d0e45ac41335712303db007a339041d7d73821ec0c76b175134d977fec9546
Markdown9d8e9c75b82dc05517e71174e6f720af7989fe418bf688ffee25365f00fdf2ea
PDF
Publication pagecfd0dfb707c2124c4e1d90253dffda36e602afce26ef5db4fd509004d310716d
Manifest0ced88342198d81917629d82d0cea073bcc5dc6daf62046400572bc6305cbff2

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
SignatureswtQJQKwCW79mVdzkAwGzW+75CjzS9nLYE94XYAY0SxX4Xu7tyDqA3QsK3vQCSGC0fcZUNR1VGCAQsm577IFBQ==
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

2026-09-17T11:59:33.993310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018909
observed cfd0dfb707c2124c4e1d90253dffda36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.975299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018909/manifest.json
observed 0ced88342198d81917629d82d0cea073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.957419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018909/publication.md
observed 9d8e9c75b82dc05517e71174e6f720af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.937126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018909/publication.txt
observed 12d0e45ac41335712303db007a339041...
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.