Pretty Blues

Recording by Mario Rivera.

Recording identifiers

ISRC
FRX761555718
CopyrightID (CopyrightChains transaction hash)
0x2d9ca763a3128fbe86134f9181daba2ed57d6ea7e93bc828a8b08c69bb88b9b5
Copyright registration time
2026-07-07T12:23:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:79f557057f7a0cbb09ad5dd19d564e546e487f79d1a331d686123e9fa52661fc

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.