ISRC USC4R0304639
Verified recording
USC4R0304639 is “Sonata K20” by Gary Burton,
registered on the CopyrightChains blockchain with CopyrightID
0x53ba573ca7978d3e0fcd911ed1ae4d60b5ac923bc3761b6ac4f5ff04471f7549 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R0304639.
Recording identifiers
- ISRC
- USC4R0304639
- Title
- Sonata K20
- Artist
- Gary Burton
- CopyrightID (CopyrightChains transaction hash)
0x53ba573ca7978d3e0fcd911ed1ae4d60b5ac923bc3761b6ac4f5ff04471f7549
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:9c7d02de7f1a7e25f742e9bfe99506ee1de563f4ac0ca4607689d4cfedde7fab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R0304639
- Bitcoin block existence check
- https://blockstream.info/api/block/960317