The Queen of Hearts

Recording by Offa Rex.

Recording identifiers

ISRC
USNO12200250
CopyrightID (CopyrightChains transaction hash)
0xfbd5bcf42850bd3d2a52ed410f10b21ef2af764609495137e0b9cb5c349f59d5
Copyright registration time
2026-06-11T23:37:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:362390a3307295364171a435ccaca35f1e3afb6dfd72790967aec439eaa9d57f

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.