El Bien Perdido

Recording by Atahualpa Yupanqui.

Recording identifiers

ISRC
QM6MZ1589399
CopyrightID (CopyrightChains transaction hash)
0x97d274cd3d7dfcb6f1f177396e83f7d9bcdba90217519b19736b5d98e8bd1a26
Copyright registration time
2026-06-10T21:18:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e2415ef1aef800cd415cc0a12125086cfb641ebe020d33d8f0416013a007ecb8

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.