Heartbeat

Recording by Marcus & Martinus.

Recording identifiers

ISRC
NOAAC1600045
CopyrightID (CopyrightChains transaction hash)
0x4398856e1ee0f879704c3de5c6beb12d1e616bb40d1f048ce81bb3d8bfd7fa2c
Copyright registration time
2026-06-04T07:18:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3782dd60a9569ed7cb327017ec554cdfbddb0deca3ec975ee07e34cdf6d872a7

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.