Canción para Clara

Recording by Magdalena Matthey.

Recording identifiers

ISRC
CLGS22400279
CopyrightID (CopyrightChains transaction hash)
0x2aee029a4428ef7a13dfd91f00800b50eeaccb45ead81aa315e94f18c0b61df3
Copyright registration time
2026-07-29T23:51:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:11:40Z
Bitcoin block
960173
Canonical record hash
sha256:20d56949aabe64504b062785bd7d55d9584da9e18f38e526c4b6c3b46c2ab0c3

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.