ISRC USPR35700103
Verified recording
USPR35700103 is “Learnin' The Blues” by Ella Fitzgerald,
registered on the CopyrightChains blockchain with CopyrightID
0x16bd577bab89ab8b28f3912d15c8d8faaf8fcd44e43df472fc8016739e2df5b3 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR35700103.
Recording identifiers
- ISRC
- USPR35700103
- Title
- Learnin' The Blues
- Artist
- Ella Fitzgerald
- CopyrightID (CopyrightChains transaction hash)
0x16bd577bab89ab8b28f3912d15c8d8faaf8fcd44e43df472fc8016739e2df5b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:8791c5c4e3f9e2ff43a2c86411ddd3176019a5a132ad84d0a428b7bc6624104f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR35700103
- Bitcoin block existence check
- https://blockstream.info/api/block/959159