Puro

Recording by Marcos Brunet.

Recording identifiers

ISRC
QZ2J21507850
CopyrightID (CopyrightChains transaction hash)
0xb2bf55a15415d3cff6a1372772c30007163295e501539a0e0a9e0eae0f31be31
Copyright registration time
2026-06-04T16:48:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:cd1b438ac90eebe6d91002582a5613f777b2355a8b5d5271f0539297b2c30159

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.