La Copla Perdida

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF096700164
CopyrightID (CopyrightChains transaction hash)
0x98077e00df1f68f45735aec19b8210490944db770c0f60fbb01106f9018b71e9
Copyright registration time
2026-07-06T20:44:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:777a5cb847ef8d06cf4e346faaff625c5a94ec0d9111d1fd1531b7507e609f53

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.