ISRC DEF057801094
Verified recording
DEF057801094 is “Carnaval, Op. 9: IV. Valse noble. Un poco maestoso” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xaad9cf2715635e8e4fb856c8486b01cbf163d86597029e084e7a99be426f6a65 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801094.
Recording identifiers
- ISRC
- DEF057801094
- Title
- Carnaval, Op. 9: IV. Valse noble. Un poco maestoso
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0xaad9cf2715635e8e4fb856c8486b01cbf163d86597029e084e7a99be426f6a65
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:603773945b30f27bd5d85e69aac27b024f9656503eb6ffb748203e085d1920ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057801094
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Carnaval, Op. 9: IV. Valse noble. Un poco maestoso · Machine-readable JSON-LD