ISRC USSM11000339
Verified recording
USSM11000339 is “Long, Long Time - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA” by Billy Joel,
registered on the CopyrightChains blockchain with CopyrightID
0x214d32129e45e0dca4ce627907afb4a74ef2f8a819085384ed2dcca64ebb3d14 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/USSM11000339.
Recording identifiers
- ISRC
- USSM11000339
- Title
- Long, Long Time - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA
- Artist
- Billy Joel
- CopyrightID (CopyrightChains transaction hash)
0x214d32129e45e0dca4ce627907afb4a74ef2f8a819085384ed2dcca64ebb3d14
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:9f943e334c4b4bfbfdbf1b3c96ca35bcb29abe9182d3e1d9261f55ca5e936b65- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11000339
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Long, Long Time - Live April 1972 At Sigma Sound Studios, WMMR Radio, Philadelphia, PA · Machine-readable JSON-LD