C. Jam Blues

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA1700301
CopyrightID (CopyrightChains transaction hash)
0x34f5745d89ec1f15e47de1c48932d89a835b870844cc8f886e6f7146e71b4fc6
Copyright registration time
2026-07-30T11:53:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:fb3e14ce3edd561f63df6adfc4b9a16f3e3a2a1ff6e32d88e5085f57e90ba267

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.