Balada De Marzo

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF097000119
CopyrightID (CopyrightChains transaction hash)
0x1aa2f846a37131941d4a28f2a02650ed3a915c22d335d8dcf84b5fc1910e543a
Copyright registration time
2026-07-06T09:27:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:13210399b38f7d20740738871fad35957cf1dd8866d0cb0c2c64ed4f113f9b98

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.