Playground

Recording by John Powell.

Recording identifiers

ISRC
US3M50997810
CopyrightID (CopyrightChains transaction hash)
0xd615cc49af202b31ccbd2014b9fd78e1b77c25936aec73ff19c0555d1376edc0
Copyright registration time
2026-06-25T23:43:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:759ca4c666737c1fc17bc0e6cd7fb062513fddb9bd8c9c6d9ab6622b1562aef5

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.