ISRC USBB19101299
Verified recording
USBB19101299 is “When Day Is Done” by Coleman Hawkins' All Star Octet,
registered on the CopyrightChains blockchain with CopyrightID
0xea8835ca1a7af1ba2e232bca6a888243aafa355179bb23102f65e3537e1aa84c and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBB19101299.
Recording identifiers
- ISRC
- USBB19101299
- Title
- When Day Is Done
- Artist
- Coleman Hawkins' All Star Octet
- CopyrightID (CopyrightChains transaction hash)
0xea8835ca1a7af1ba2e232bca6a888243aafa355179bb23102f65e3537e1aa84c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:f5297ba7d213ef5eecb0fc4c7f3f06de3779e57bcf5c6716067694de2d7f1a01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBB19101299
- Bitcoin block existence check
- https://blockstream.info/api/block/960455