Black Butterfly - Take 1

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10801510
CopyrightID (CopyrightChains transaction hash)
0x36ca79d388d36eb0ab70d39df4f2f3f08b927c393035f4d63f2e2e8e1a8eb6bb
Copyright registration time
2026-07-30T05:23:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:43:45Z
Bitcoin block
960212
Canonical record hash
sha256:88dbe1f79d3a96fb8779f5fd9c649fe3624a3b477cac7a5deb35b54bf9939e2a

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.