雪の華

Recording by Mika Nakashima.

Recording identifiers

ISRC
JPN300301301
CopyrightID (CopyrightChains transaction hash)
0x0ca61e25a3420f28b7deedc049a8d03aa1f1c583bc19a2f8c2c42f356e056543
Copyright registration time
2026-06-05T16:29:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:46b78fc69d7a3e50f1c1efbdc968f1b044971201a17ebbc3f1df6ef3148dd7c7

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.