Persephone

Recording by John Mark McMillan.

Recording identifiers

ISRC
QM4941800006
CopyrightID (CopyrightChains transaction hash)
0x4e1080c5f980cb20a872dc2859d44296dffec69834eaa031dcfd2a1521160665
Copyright registration time
2026-07-06T07:19:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T17:25:14Z
Bitcoin block
957025
Canonical record hash
sha256:3bf7057e6a275f2b6069dc746402a0435c28f01093e6f418cc7d0424134ffbfa

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.