East St. Louis Toodle-Oo - Columbia session

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM12700057
CopyrightID (CopyrightChains transaction hash)
0xa87b1692b48d5325cfe94700e29500988cd4bd8ad4ba8f69408212e28092a630
Copyright registration time
2026-06-09T06:31:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:131d6272a6d05af7486f4396a66498bd018a2521fbcd5a074c3f0df25a126306

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.