La Pancho Alfaro

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARTA02200008
CopyrightID (CopyrightChains transaction hash)
0xe69b367368bcb959f99b07abf6fb82d8758ed50a71e495b9b7373e305de2ab19
Copyright registration time
2026-07-06T09:45:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:7add1c1466f7e1106ff33f292470aed7adaed890a0aeb81f8b119503fb004316

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.