Waltz For Debby

Recording by Bill Evans.

Recording identifiers

ISRC
USC4R2003693
CopyrightID (CopyrightChains transaction hash)
0x6535aa99894280cabfa51862b76e45c75d149bee7c41c94e78626bef8e022507
Copyright registration time
2026-06-25T07:56:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:772d95a3af48ad4a7d5cc0125c8d56c56c4797db7763d5908a17628646cbfbe0

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.