I Let A Song Go Out Of My Heart

Recording by Johnny Hartman.

Recording identifiers

ISRC
USSJ10001124
Release date of the album this recording appears on
1956-01-01
CopyrightID (CopyrightChains transaction hash)
0x03b671970ac4c09342c41814b3c7d62941319fbdaebe4777c48d1062557d87dc
Copyright registration time
2026-06-22T16:14:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d0dfb23a94db7ca265b1634ce8ce2b362a81036e57bfb75476fae0cee6b97e1c

What this proof establishes

This recording was released in 1956, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.