The Ringmaster's March

Recording by John Mackey.

Recording identifiers

ISRC
US7851700010
CopyrightID (CopyrightChains transaction hash)
0xe5b75c99d2b8c31772b4f8c48723084d1bd623a2c0e41907088f1c2debe90725
Copyright registration time
2026-06-18T03:02:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3ac735e379a5d4427f3bf59d129a6678f74b7912d7254898a7cda50ff535d986

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.