Kouyou

Recording by Hakobune.

Recording identifiers

ISRC
UK6821908309
CopyrightID (CopyrightChains transaction hash)
0x13b122ce5572f3b2b22b21330795cab39b63fa5ef05cf1d3233b1dfd50085c8a
Copyright registration time
2026-08-01T01:05:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:9a199b4f53e3fee25e082fa96f1c2e66b4f348ba3019cca806494d8a509d3520

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.