嬉しい雛まつり(ハーモニカ)

Recording by 大石昌美.

Recording identifiers

ISRC
JPKI08074506
CopyrightID (CopyrightChains transaction hash)
0x08560537860db9fde37b49ca76b00e221444850068133e056f2191583a4151de
Copyright registration time
2026-07-06T02:43:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e26ed1c290b2fec9b6ad5e464c66e80969de6d8beb2ff02b7f31519bd0a18788

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.