ISRC USSM15901357
Verified recording
USSM15901357 is “2 Pieces from Kuolema, Op. 44: No. 1, Valse triste” by Jean Sibelius,
registered on the CopyrightChains blockchain with CopyrightID
0x2ade9a88fa906716aa6a8e78914b5c83648761ff1d7df570d9e5702c5c13b5a7 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/USSM15901357.
Recording identifiers
- ISRC
- USSM15901357
- Title
- 2 Pieces from Kuolema, Op. 44: No. 1, Valse triste
- Artist
- Jean Sibelius
- CopyrightID (CopyrightChains transaction hash)
0x2ade9a88fa906716aa6a8e78914b5c83648761ff1d7df570d9e5702c5c13b5a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:32265f1de810547973246c8faa41a34c580a4064051b199f285205fd5b0cecda- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15901357
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 2 Pieces from Kuolema, Op. 44: No. 1, Valse triste · Machine-readable JSON-LD