Cancion del Barrio

Recording by Under Side 821.

Recording identifiers

ISRC
QZW9L2224749
CopyrightID (CopyrightChains transaction hash)
0x7cc71965530143febcbcbf0c495e72c5b93c54831c696595b2be8fef576b7568
Copyright registration time
2026-06-21T18:22:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:eea04ba03f46652cd4ef442896b26036ae3ab770eb7e729a55775eacdbdf921b

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.