Alfonsina y el Mar

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ART721410238
CopyrightID (CopyrightChains transaction hash)
0xa4bbd06f683021df20c26ba5a73042da707a7afc468c6447f54a17d49e9260a5
Copyright registration time
2026-06-23T07:48:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d634b971594bada399fb354d6c8c41e561ef2d1526ad8fc671bc44b4a465321f

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.