Regreso A La Tonada

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF097500109
CopyrightID (CopyrightChains transaction hash)
0xc77f5194299fc1732ad4af022c855b03ed990a641fe0653a54e55f16f11bb14e
Copyright registration time
2026-06-27T05:00:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b6cfbcd458e71fdc4c76e87653ace86dae6c52ff977183cdf792473e9f08d9a5

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.