A Puro Dolor - Balada

Recording by Son By Four.

Recording identifiers

ISRC
USSD19905690
CopyrightID (CopyrightChains transaction hash)
0xbf3042b7d4e687a70546f25d8f20eca38728aff295512c69a05437f2ee05ada9
Copyright registration time
2026-06-01T11:49:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e186611395237dce38e4c02b3de918ede0b6725d317f6433e29157a40ff75a20

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.