ISRC DEF059405270
Verified recording
DEF059405270 is “Spring Song - Symphonic Poem Op. 16” by Jean Sibelius,
registered on the CopyrightChains blockchain with CopyrightID
0x7b6dca02eb838fb383f0bfacdd22fb663f1c3235b774e7130bea21154c008df5 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059405270.
Recording identifiers
- ISRC
- DEF059405270
- Title
- Spring Song - Symphonic Poem Op. 16
- Artist
- Jean Sibelius
- CopyrightID (CopyrightChains transaction hash)
0x7b6dca02eb838fb383f0bfacdd22fb663f1c3235b774e7130bea21154c008df5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:ab281078d8c70881ce254007545361808c516ab2703bc7407b4f07fdc9fc2d1e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059405270
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Spring Song - Symphonic Poem Op. 16 · Machine-readable JSON-LD