Playground

Recording by Wayne Shorter.

Recording identifiers

ISRC
USBN29500596
CopyrightID (CopyrightChains transaction hash)
0xe523be4020a9558240d3c9277b19a8e52afaeff30dda7a5528430daadff9f28f
Copyright registration time
2026-06-24T10:58:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3197346566331d5486386031d6357504d5015a904265bde522c9b72000e7076c

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.