OpenTechnical

OT-2026-000003018

Publication integrity record

Berrel-feeding apparatus with bucket separation function

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-2026-000003018) never changes.

Identity and time

Publication numberOT-2026-000003018 · never reused
Internal UUID01a0a680-1498-787b-b1b4-471ff07c9cf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:46.873207Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003018
StatusPUBLIC

Content hashes

Canonical textcedbf77fc94825bb5781e1b4530b414ff45223b59cdb570b0f848e126f8f7ed8
Markdown8589b80e419518dba69528ac26b5763bc7e07e8d02bd37d1d960af5fc109f81b
PDF
Publication pagef0d3d5491c2b2d69dc3a5c6be65b4fce96f7cc4b40269a5051e84c41f0bf6df7
Manifest2274b41fd9fbb41c4c238aa2dfa46559ebe0579324d3105aee854af3f2b5a85e

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
Signaturexjx8H7+yHmGcp+vJqqvDDIPp5xgaMSLwBgWhAZ6jyUCqXIr4esinMATXtT2l0yyQOX+PCiDb/BP6Bw2/356iBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:20:08.388829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003018
observed f0d3d5491c2b2d69dc3a5c6be65b4fce...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:08.235088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003018/manifest.json
observed 2274b41fd9fbb41c4c238aa2dfa46559...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:08.222189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003018/publication.txt
observed cedbf77fc94825bb5781e1b4530b414f...
fetched by instance-3.rotem.ai from 127.0.0.1, 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