Alfonsina y el Mar

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF102300116
CopyrightID (CopyrightChains transaction hash)
0x5ac28a7dafd4e84b037b26117de6ef8cff34064181d5a307905e5d754e5dd7a0
Copyright registration time
2026-06-22T00:58:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:30bfe398e576984f302a99d5794bc250cd9621af32f2e224f898c1600fee2352

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.