ISRC USSM11000343
Verified recording
USSM11000343 is “Josephine - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA” by Billy Joel,
registered on the CopyrightChains blockchain with CopyrightID
0x2a13ec2e4e6242437605324fad98b720c59dab1cc55dac93e971562032c4f155 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/USSM11000343.
Recording identifiers
- ISRC
- USSM11000343
- Title
- Josephine - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA
- Artist
- Billy Joel
- CopyrightID (CopyrightChains transaction hash)
0x2a13ec2e4e6242437605324fad98b720c59dab1cc55dac93e971562032c4f155
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7ad608f622d7810461bdf603200a2da80f375abadf1145214c3b96f342ba640b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000343
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Josephine - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA · Machine-readable JSON-LD