涙のイヤリング

Recording by Kayoko Yoshizawa.

Recording identifiers

ISRC
JPCR01400780
CopyrightID (CopyrightChains transaction hash)
0xa651b7ff3cf5a9108b46a940aa685bfd58b0872fa2500dfc169aed00fe8a108c
Copyright registration time
2026-07-06T10:11:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:4e2e5c13eb400571f602bf3de753ec386145ec2eb90499952604b2fcf4037521

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.