ISRC USC4R1016890
Verified recording
USC4R1016890 is “How Long Has This Been Going On?” by Ella Fitzgerald,
registered on the CopyrightChains blockchain with CopyrightID
0x9f04760ac795e2f9915cd93c83d52df99d745b96d73ea03fa3cab91eaae623c3 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/USC4R1016890.
Recording identifiers
- ISRC
- USC4R1016890
- Title
- How Long Has This Been Going On?
- Artist
- Ella Fitzgerald
- CopyrightID (CopyrightChains transaction hash)
0x9f04760ac795e2f9915cd93c83d52df99d745b96d73ea03fa3cab91eaae623c3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:b878b35c53ab0ce5d8376d50e1daf41f076836a35f5edbe9f2923588d5881018- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1016890
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: How Long Has This Been Going On? · Machine-readable JSON-LD