ISRC USSM11000338
Verified recording
USSM11000338 is “Intro to Long, Long Time - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA” by Billy Joel,
registered on the CopyrightChains blockchain with CopyrightID
0x41ed9668eafa5363acaa7a1ba79061d3adbfc61196d9d6a593dccfd955ce9ee6 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/USSM11000338.
Recording identifiers
- ISRC
- USSM11000338
- Title
- Intro to Long, Long Time - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA
- Artist
- Billy Joel
- CopyrightID (CopyrightChains transaction hash)
0x41ed9668eafa5363acaa7a1ba79061d3adbfc61196d9d6a593dccfd955ce9ee6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:928a71824f7be13106987d070fca55b0bdb254517fbc0156b892b40c35d3d51c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000338
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Intro to Long, Long Time - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA · Machine-readable JSON-LD