Canción de la Tarde

Recording by Chucho Valdés.

Recording identifiers

ISRC
QMBZ91593953
CopyrightID (CopyrightChains transaction hash)
0x44f7ecc3c6019148b30bfbd84f7610f8d4d67ba9490fe6972ebd4f319b7cee98
Copyright registration time
2026-06-10T14:27:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b06f081005efb545954c7b0e6e602cfda3ae53b9022fdfcb6182d9790173e35b

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.