Black and Blue

Recording by Louis Armstrong.

Recording identifiers

ISRC
GBLLT1509361
CopyrightID (CopyrightChains transaction hash)
0x95c4136f536b80c8f965d9589ee1c229dd6c8c7ea7cd5ec25092bdae6d8f1b31
Copyright registration time
2026-07-07T14:55:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0ae5fe1bc504e9f85c87807d363b28d0c74e13877aea73ef9e5fa466112839a6

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.