OpenTechnical

OT-2026-000003146

Publication integrity record

Device for transferring fluids from a stationary to a rotating machine part

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-2026-000003146) never changes.

Identity and time

Publication numberOT-2026-000003146 · never reused
Internal UUID01a0a694-0786-7332-8b6e-a35d928cf1c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:38:34.246394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003146
StatusPUBLIC

Content hashes

Canonical text1443135f7a0508f38ce26bc54b92ce701420e9579321671bfe73b641a098be56
Markdown9837a44855c3c050ea33e30c1cd8003698cebdd5c8e12376458ede7a268e5758
PDF
Publication pageeb9a2fb1736b46639907cf5967dcb8efd15e7cb3cb20853074ab35f9ba0ccc78
Manifestd6b59d0ea8e4a5434b17b82a6c54472def2ac714d63918777d18cddb588af741

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
Signaturex6xFhAdlgk/VXYC3ACQCm0NUh2PtJ8KwZ0sVpzbzwZBkXEGgV9mpH3ZduYG/UkGg6/yrFbGPOwjw0qFD0Ko2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-10-28T00:41:14.136014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146
observed eb9a2fb1736b46639907cf5967dcb8ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T00:41:14.072044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146/manifest.json
observed d6b59d0ea8e4a5434b17b82a6c54472d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T00:41:14.006432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146/publication.md
observed 9837a44855c3c050ea33e30c1cd80036...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T00:41:13.857472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146/publication.txt
observed 1443135f7a0508f38ce26bc54b92ce70...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:25.080064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146
observed eb9a2fb1736b46639907cf5967dcb8ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:25.033064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146/manifest.json
observed d6b59d0ea8e4a5434b17b82a6c54472d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:24.986487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146/publication.md
observed 9837a44855c3c050ea33e30c1cd80036...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:24.845026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003146/publication.txt
observed 1443135f7a0508f38ce26bc54b92ce70...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent