Heart

Recording by Peggy Lee.

Recording identifiers

ISRC
USCA28900270
CopyrightID (CopyrightChains transaction hash)
0x31489f0d007598c9e52c1393a4983578154f17eca782432564d199cda25599ec
Copyright registration time
2026-06-20T02:41:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bbc3fa295f3da3398834e05f62d583db170df360411eb066c80d67cc6b8374e6

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.