灯りをさがして

Recording by Yumi Matsutoya.

Recording identifiers

ISRC
JPTO00401687
CopyrightID (CopyrightChains transaction hash)
0x7caaaf3b4e2e3d09d9927d18c04dd5aa5a1e8121de26816210ebe395a574b5bf
Copyright registration time
2026-07-06T09:29:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T21:28:37Z
Bitcoin block
957061
Canonical record hash
sha256:5bfcf6eea7124069bd05f1a4bacb372c80df26e67668d42c16c88e14ed349a87

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.