Milonga querida

Recording by Alberto Echagüe.

Recording identifiers

ISRC
CA5KR1709484
CopyrightID (CopyrightChains transaction hash)
0x586f91e9f6aaa86924f781a746d4e799364695b0ce14d852d6e0ef89ad87729d
Copyright registration time
2026-07-31T20:16:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:646bd40878595890ece1012c76eb6e69e8a35c14d3d0167ed6a83909671a8111

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.