ISRC GBSUW2255483
Verified recording
GBSUW2255483 is “I Let A Song Go Out Of My Heart” by Johnny Hartman,
registered on the CopyrightChains blockchain with CopyrightID
0x442dfcb7f52c2378fd8ead7e9b342bcb9be332bef51764d7016a084d93886ecc and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSUW2255483.
Recording identifiers
- ISRC
- GBSUW2255483
- Title
- I Let A Song Go Out Of My Heart
- Artist
- Johnny Hartman
- CopyrightID (CopyrightChains transaction hash)
0x442dfcb7f52c2378fd8ead7e9b342bcb9be332bef51764d7016a084d93886ecc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:f77d8f29ad4710feda50ac0ba26eba570cd2b67b302e36cd45758ebec5d74156- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSUW2255483
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: I Let A Song Go Out Of My Heart · Machine-readable JSON-LD