ISRC USSM11000346
Verified recording
USSM11000346 is “Tomorrow Is Today - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA” by Billy Joel,
registered on the CopyrightChains blockchain with CopyrightID
0xe3ec6a622ab33b50583f89e03adc8ef354fdcfc5254e8ff7a7c969750ccf54eb 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/USSM11000346.
Recording identifiers
- ISRC
- USSM11000346
- Title
- Tomorrow Is Today - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA
- Artist
- Billy Joel
- CopyrightID (CopyrightChains transaction hash)
0xe3ec6a622ab33b50583f89e03adc8ef354fdcfc5254e8ff7a7c969750ccf54eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6a16e81346e4ebd27080bfc2706eb61db7eb6c39715c7bb30e76839bf968c8ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000346
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Tomorrow Is Today - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA · Machine-readable JSON-LD