Tranquilo Viejo Tranquilo

Recording by Francisco Canaro.

Recording identifiers

ISRC
NLHR52159413
CopyrightID (CopyrightChains transaction hash)
0x5523084362ed5dabbc0488d1368f6a4ad77253e04b0ef576581cc6e1266cdce8
Copyright registration time
2026-07-07T17:42:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2d0382da480ac621ff69d56a80a35e897152803a9c742ff10d01d5b3072022a2

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.