OpenTechnical

OT-2026-000017997

Publication integrity record

Two cup vacuum gripper, two 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-2026-000017997) never changes.

Identity and time

Publication numberOT-2026-000017997 · never reused
Internal UUID01a0ae6e-96fc-7874-ab8a-dd03225fb55e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017997
StatusPUBLIC

Content hashes

Canonical textca70ef382da60c287c4f22e0f70241c6a90677e22bfc2bcae01cc82f7b9cd63d
Markdownaaceda9dd92a8b69073f9a6b2a7d58d7b498beda9035ea6eaedd769c05b30f87
PDF
Publication pageb19211e5f6f8b16d357dc3325d5b62f8759341950c90401c8823976d0aba6439
Manifestfe2e88ed68f629a405aafee142bd25fc4c111ee9bbea3f5c6c7c9503f45da906

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
SignaturehnqChm7b/oKXx+A/9edHCb7vgihYL4JqzPynvlL+erRLjSx0WFCIuOXlEGpiTIXIRsYw6B3r4uA8QFngf4djAw==
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

2026-09-17T12:02:01.191599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017997
observed b19211e5f6f8b16d357dc3325d5b62f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.173964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017997/manifest.json
observed fe2e88ed68f629a405aafee142bd25fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.152770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017997/publication.md
observed aaceda9dd92a8b69073f9a6b2a7d58d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.136421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017997/publication.txt
observed ca70ef382da60c287c4f22e0f70241c6...
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.