ISRC USSM11000337
Verified recording
USSM11000337 is “Turnaround - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA” by Billy Joel,
registered on the CopyrightChains blockchain with CopyrightID
0x505a1764fea384807c33b0c0aa2b64acd5f1f655ee5b8447648eb3990e75513f and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000337.
Recording identifiers
- ISRC
- USSM11000337
- Title
- Turnaround - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA
- Artist
- Billy Joel
- CopyrightID (CopyrightChains transaction hash)
0x505a1764fea384807c33b0c0aa2b64acd5f1f655ee5b8447648eb3990e75513f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e0983e5aeb27c3e334bfc70e4f5087e02ec4f45e2e53c2b0ba39d42e22604464- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000337
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Turnaround - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA · Machine-readable JSON-LD