Baby’s Heartbeat

Recording by John Lennon.

Recording identifiers

ISRC
US38W1629003
CopyrightID (CopyrightChains transaction hash)
0x92c971503f7c99b9d6503d1b87f347bbd70ab47df1f36b5d2c50d6029a1434f7
Copyright registration time
2026-07-06T21:11:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c1402ec9b0515e4ff8ba5426dd62529a2b48b6287640bd1a867419fc1407e1b7

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.