Blue and Green Music

Recording by Samuel R. Hazo.

Recording identifiers

ISRC
USB8U1611471
CopyrightID (CopyrightChains transaction hash)
0xeecfc7ff77894d09fe0da762bd3953dee8fd84e08f2c67be36c49732485dbf43
Copyright registration time
2026-06-21T07:03:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e6f47221d126e56344252cbfbcf5169448cb56c7693ab4d2955262b67089ded4

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.