La Yumba

Recording by The Alex Krebs Tango Sextet.

Recording identifiers

ISRC
USHM21111256
CopyrightID (CopyrightChains transaction hash)
0xa0ebd0b0e9e28f94baac6abcd681c7cd53a57fb3f172b91cc28b8533a164ac42
Copyright registration time
2026-07-07T12:11:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8ea21aec4313f5b56beb1546ceb50083acff79a7021bb70fb13a95d1b5dca2cc

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.