Heart of the Matter

Recording by R. Carlos Nakai.

Recording identifiers

ISRC
US8642272128
CopyrightID (CopyrightChains transaction hash)
0xa4a6e97ff2a62312c69a02531fa191388d8d38872b5ade0972cc3990f5f10210
Copyright registration time
2026-07-29T22:49:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:20:38Z
Bitcoin block
960163
Canonical record hash
sha256:a0800c5651e71bcc74e4312747dacc72a3ff193149c02089435b72803993b9b7

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.