Nada (with Maria Graña)

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF100900072
CopyrightID (CopyrightChains transaction hash)
0xab1226d66b0f054de4447dcd751cf754ed98b0e1cd164176a717fe1df96d647e
Copyright registration time
2026-06-06T09:28:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:840acd0cf993296e0273b5700b70e68065da1dfe68077eb19c083526acd0b31c

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.