Hearts

Recording by Matthew Mayer.

Recording identifiers

ISRC
QZS7J2542450
CopyrightID (CopyrightChains transaction hash)
0x1cffbd28307597e06e128fde9874a84737dd701b5c3bd69fb86798a2ff099b62
Copyright registration time
2026-06-18T23:49:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3a025e4df23122cbd8664f402fd12808876561251ccaa0dd72ae0ac2b329316d

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.