OpenTechnical

OT-2026-000017961

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000017961) never changes.

Identity and time

Publication numberOT-2026-000017961 · never reused
Internal UUID01a0ae6e-96fc-7a50-b608-dfee8c261004 · 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-2026-000017961
StatusPUBLIC

Content hashes

Canonical text99e778f5f0cdf16dd2a436c578c3465560c1c88f136f9ef25bd78bf9e976c38a
Markdown66838236b0d714dad34cdd4c03374bfb6d10eaa822925ef9c507e9c86469816b
PDF
Publication page1ce5e7ee53562acb81463cd5de0187eae10ba2906a145bd5e9e7ce1972154fc8
Manifest6a626a32e0401da14a852aac988cf62b15731e815aaf0bf09a78d50fa0dac41f

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
SignatureWgTikljfaiKQiQELVf3l+K476uxWFxmep9IdyHuR7NIcOeqaudnGFZ1GJczmR4+8wlBlANkdp4NJRG1a7jXDBQ==
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

2026-09-17T12:01:58.369814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017961
observed 1ce5e7ee53562acb81463cd5de0187ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:58.351548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017961/manifest.json
observed 6a626a32e0401da14a852aac988cf62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:58.333524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017961/publication.md
observed 66838236b0d714dad34cdd4c03374bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:58.315447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017961/publication.txt
observed 99e778f5f0cdf16dd2a436c578c34655...
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.