C Jam Blues

Recording by Duke Ellington.

Recording identifiers

ISRC
USBB14200778
CopyrightID (CopyrightChains transaction hash)
0x018d251bb677fc252b81960ea81a2a4bb070d8d9ef008dda3d47746fed945ed9
Copyright registration time
2026-07-07T17:51:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d1fb290d8c6f79f635bf1c83eab11580ed3d705d7c264a010560a4670d5d6e6d

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.