ISRC FRZ130948170
Verified recording
FRZ130948170 is “2 Pieces from Kuolema, incidental music, Op. 44: No. 2, Valse triste - for orchestra” by Jean Sibelius,
registered on the CopyrightChains blockchain with CopyrightID
0x2d4c49d97b743950262d27314716898702429ba32581d04d8ef350776990e2b6 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948170.
Recording identifiers
- ISRC
- FRZ130948170
- Title
- 2 Pieces from Kuolema, incidental music, Op. 44: No. 2, Valse triste - for orchestra
- Artist
- Jean Sibelius
- CopyrightID (CopyrightChains transaction hash)
0x2d4c49d97b743950262d27314716898702429ba32581d04d8ef350776990e2b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:ee7c39a699686a0b86ecfa0a63889ea9ee2ac08dd2a4ea0cea366a84f6bb3625- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948170
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: 2 Pieces from Kuolema, incidental music, Op. 44: No. 2, Valse triste - for orchestra · Machine-readable JSON-LD