Exchange of Hearts

Recording by Martika.

Recording identifiers

ISRC
USSM11404999
CopyrightID (CopyrightChains transaction hash)
0xc89407a0af8fc1240b014c453f45d574a71ac83e9032c2026224b83d8a482449
Copyright registration time
2026-06-25T15:01:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:014c66f742f3addc862e0ecb3bee00eff764e20a44d4b2ff1d47cc219ad9dab7

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.