Heartbeat - Instrumental

Recording by Marcus & Martinus.

Recording identifiers

ISRC
NOAJR1800075
CopyrightID (CopyrightChains transaction hash)
0xe73c0f066875257f8cb6af14652c2412f01aa9bba9d47ace775288f06ffad8b3
Copyright registration time
2026-06-23T21:12:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6d63112c820a5d783fdd5d7ab3ebe40116e00f075f4b5bcae960c04e5fb860fd

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.