Ditty For Dewey

Recording by Brad Mehldau.

Recording identifiers

ISRC
NLGZ22400045
CopyrightID (CopyrightChains transaction hash)
0x7bfca8427aef416b826aa494e8ea339b232f39c3637fbdc71462c25c7d7f5f6c
Copyright registration time
2026-06-11T18:38:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:fdc62b9d74124c7c1d09aa0f5069124106204d83007e19dc916e8d31a64d32ff

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.