Chroma

Recording by Hiroaki Nakahara.

Recording identifiers

ISRC
JPV752104638
CopyrightID (CopyrightChains transaction hash)
0xbbd6233fe1e5f89f683db8419117d3c3dd9e9e4b1cae74b9d12c60b6ee737e59
Copyright registration time
2026-07-07T11:37:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:72b0aaceeabf02646428da964c07d4a87810eb7955112c3bfdc17266b18c708d

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.