OpenTechnical

OT-2026-000019594

Publication integrity record

Foam pad vacuum gripper, 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-2026-000019594) never changes.

Identity and time

Publication numberOT-2026-000019594 · never reused
Internal UUID01a0ae6e-f394-7585-924f-1dea086781d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019594
StatusPUBLIC

Content hashes

Canonical textb5f7a7d3d68fdb454b77381ba782c44cb1705f579e45a4d70d58c209e6bdc6a6
Markdownfebe26b2575b5e39d6ed642a0c76e11b1277e8911190505b144aa4e673016307
PDF
Publication page5eaa7cfc60e5c5a3ef9437859005c76adf02d8911e7b09b3face28aed9f662c3
Manifestde4e2e7783ef46ead845992a6805d9f034196769b28db2f5d1933c6ddc2619d2

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
SignatureSBPnWwy9Pfi2WgAzyxHhrA5LQdeT4gSU2KZaZD2dNgLfSDHCJKwtvE9GzFZgMrkloYauoUp2ebJKxAvkhWHGCg==
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

2026-09-17T11:59:02.758850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019594
observed 5eaa7cfc60e5c5a3ef9437859005c76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.742354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019594/manifest.json
observed de4e2e7783ef46ead845992a6805d9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.726077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019594/publication.md
observed febe26b2575b5e39d6ed642a0c76e11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.709461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019594/publication.txt
observed b5f7a7d3d68fdb454b77381ba782c44c...
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.