Song of Saya

Recording by いとうかなこ.

Recording identifiers

ISRC
JPR502149385
CopyrightID (CopyrightChains transaction hash)
0xea3df98ad37c1ac7f96e832221cb4b8929d844a3dcc3409a3c5af90492a52c87
Copyright registration time
2026-06-06T23:36:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7bf6e381a2df2411ed15cf21c5aab9172693128d0a2df93c54655aa9176ecc87

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.