ISRC DEN960200310
Verified recording
DEN960200310 is “Valses nobles, D 969 (Op. 77): Valse No. 3” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xcfcfae73da06923f696d087d8ff1707a116d027f357371ac306d961e5a359282 and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960200310.
Recording identifiers
- ISRC
- DEN960200310
- Title
- Valses nobles, D 969 (Op. 77): Valse No. 3
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xcfcfae73da06923f696d087d8ff1707a116d027f357371ac306d961e5a359282
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:8f9ad5c69fb457a25c1dbdbc4f3c7843d457dcc8912033185b47b793868f0bbd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960200310
- Bitcoin block existence check
- https://blockstream.info/api/block/957819
Full record
Track page: Valses nobles, D 969 (Op. 77): Valse No. 3 · Machine-readable JSON-LD