All That Jazz - From "Chicago"

Recording by John Kander.

Recording identifiers

ISRC
GBF079710730
CopyrightID (CopyrightChains transaction hash)
0xab5e5be39b118a82f2a0e3d9d05d841c9bd4fef38fd99c7e582596e5c8ef3c70
Copyright registration time
2026-06-21T14:49:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3d2f763d52f3855901bbd980297ba8b0f278fab20d40e0dd5f1b82d5e4f8826d

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.