ISRC USSM15900506
Verified recording
USSM15900506 is “Density 21. 5” by Edgard Varèse,
registered on the CopyrightChains blockchain with CopyrightID
0x0fbc6f555000be0984df0c3e118cf600cbe02ce25eb3efe82ff9248d3699a710 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15900506.
Recording identifiers
- ISRC
- USSM15900506
- Title
- Density 21. 5
- Artist
- Edgard Varèse
- CopyrightID (CopyrightChains transaction hash)
0x0fbc6f555000be0984df0c3e118cf600cbe02ce25eb3efe82ff9248d3699a710
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:cb9d7387f4f28198963856bc60fef0b46b2fdb03868fc6edf5d42328b9b00238- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15900506
- Bitcoin block existence check
- https://blockstream.info/api/block/960473