OpenTechnical

OT-2026-000009990

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000009990) never changes.

Identity and time

Publication numberOT-2026-000009990 · never reused
Internal UUID01a0ae6b-cb79-7943-8091-a184f6b9035e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009990
StatusPUBLIC

Content hashes

Canonical texte0320112bfa39dc91fc0d60b4fe9202f2dc57a4f34455e33b3fc60765ad8ccd8
Markdownbe42d2911f135bb927cd646492247d189b9e3e0ba1616ba97b1ec46aa49ddc7d
PDF
Publication pagea02701bc7742081bdff1bfcc93b616098fc1815ccf90f814c84992cd8fac4aec
Manifest8a5791ea56630667597e679a3277015d2e60c38ae9d6ef4ccd4bee5182ac79bf

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
SignaturefnQeEacqD3MarS/ho5EGTJ7ixBYLLZwgFrDb6/YP861lozdJszTi01EJ5gD3WkEIAwl3i+JETa62Xny/W/blAA==
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

2026-09-17T12:16:02.245627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009990
observed a02701bc7742081bdff1bfcc93b61609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.223840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009990/manifest.json
observed 8a5791ea56630667597e679a3277015d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.200856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009990/publication.md
observed be42d2911f135bb927cd646492247d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.182578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009990/publication.txt
observed e0320112bfa39dc91fc0d60b4fe9202f...
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.