La Carta

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF097100042
CopyrightID (CopyrightChains transaction hash)
0x75a9a7df2778c7db746db29b813a6e014571aaa38e6c63464f00c897d8776ba3
Copyright registration time
2026-06-23T10:16:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:10d1d4824d081a6bd74601ade4e944465c91c11348410566848ce7832ce621bd

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.