ISRC USAP30031002
Verified recording
USAP30031002 is “Cool, Cool Blues” by Sonny Boy Williamson II,
registered on the CopyrightChains blockchain with CopyrightID
0x98bbdd6ecb05a9428f1f68260c6d7e47cbd98a5c9b7c8abcde5124b171ed9bd3 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAP30031002.
Recording identifiers
- ISRC
- USAP30031002
- Title
- Cool, Cool Blues
- Artist
- Sonny Boy Williamson II
- CopyrightID (CopyrightChains transaction hash)
0x98bbdd6ecb05a9428f1f68260c6d7e47cbd98a5c9b7c8abcde5124b171ed9bd3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:a7ea6e8c7b50afbad8587e3b0696fd097dab0bf4ad1b39368d466e5e9fa9af1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAP30031002
- Bitcoin block existence check
- https://blockstream.info/api/block/960160