ISRC USSM11000334
Verified recording
USSM11000334 is “Intro to Nocturne - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA” by Billy Joel,
registered on the CopyrightChains blockchain with CopyrightID
0xf7ad8fb444d4f20d5c7449f22e3905ccbaea599b4b4d47268a9a14bc26906ce9 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/USSM11000334.
Recording identifiers
- ISRC
- USSM11000334
- Title
- Intro to Nocturne - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA
- Artist
- Billy Joel
- CopyrightID (CopyrightChains transaction hash)
0xf7ad8fb444d4f20d5c7449f22e3905ccbaea599b4b4d47268a9a14bc26906ce9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:fc24419197e58a75180131937e605ee6c30bb5c586f74cda8b6f97ead52ecd9a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000334
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Intro to Nocturne - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA · Machine-readable JSON-LD