ISRC USMC16654575
Verified recording
USMC16654575 is “That Old Black Magic” by Johnny Hartman,
registered on the CopyrightChains blockchain with CopyrightID
0x359a921e4588cc178165fe15eaac1b6aa2ff4a8bb5e8b243b5b8dc0194706d97 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC16654575.
Recording identifiers
- ISRC
- USMC16654575
- Title
- That Old Black Magic
- Artist
- Johnny Hartman
- CopyrightID (CopyrightChains transaction hash)
0x359a921e4588cc178165fe15eaac1b6aa2ff4a8bb5e8b243b5b8dc0194706d97
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:76019df78f8623a05de3947147c2c189f58d1c21595eaad9ee3a79ce60ffc905- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC16654575
- Bitcoin block existence check
- https://blockstream.info/api/block/960468