Song of a Black Swan

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
DEE861001495
CopyrightID (CopyrightChains transaction hash)
0x351c016a2f6e4c6f42a5c52cc826ede61fb507d17a3ecffd4bcf39e04b7eef6d
Copyright registration time
2026-07-06T20:52:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:83fd4b61998b95e9827fe122ff7679d93505ba374d1a7a8d10424af6a1b0baa7

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.