Source of Blue

Recording by Matthew Mayer.

Recording identifiers

ISRC
QMAAK1758018
CopyrightID (CopyrightChains transaction hash)
0xdc91ee523ba78af930e72bff29728c51e22b70768885299cfdb602853d8ff9ad
Copyright registration time
2026-06-08T15:55:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ccb80693900db97a3cf6bf73c56458285439034412efecef221cf42c20fddc94

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.