ISRC USSM11703808
Verified recording
USSM11703808 is “2 Rondinos for Piano, Op. 68: Rondino II” by Jean Sibelius,
registered on the CopyrightChains blockchain with CopyrightID
0x6389e6c62bb3bf1bbca51df14b4c2890137ea775e5ad2400060ab21882e8c76d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11703808.
Recording identifiers
- ISRC
- USSM11703808
- Title
- 2 Rondinos for Piano, Op. 68: Rondino II
- Artist
- Jean Sibelius
- CopyrightID (CopyrightChains transaction hash)
0x6389e6c62bb3bf1bbca51df14b4c2890137ea775e5ad2400060ab21882e8c76d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:fbc64e07a7147b608c0c9dc27c693b6e5b3aaf8ed5ce6634bf01f03c68c86874- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11703808
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 2 Rondinos for Piano, Op. 68: Rondino II · Machine-readable JSON-LD