Heartbreaker

Recording by Natalia Kukulska.

Recording identifiers

ISRC
PLUM71100861
CopyrightID (CopyrightChains transaction hash)
0x7228f8a068cbd8b9cf18757c36c4ef9ac5d98cf9caa01321fb221937ec57223a
Copyright registration time
2026-07-08T00:57:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:5b392580def2e80886a1ec7d98e3ff0ff0640e7d95075c2f057efa7a42889e63

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.