ISRC DEN960200300
Verified recording
DEN960200300 is “20 Waltzes (Letzte Waltzer) D 146, Op. 127: Valse (Ländler) No. 12” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x66c63bb5e5d492ca65e5eaf965d62a7984bbffb56de9216e5169c1fb471a36fc and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960200300.
Recording identifiers
- ISRC
- DEN960200300
- Title
- 20 Waltzes (Letzte Waltzer) D 146, Op. 127: Valse (Ländler) No. 12
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x66c63bb5e5d492ca65e5eaf965d62a7984bbffb56de9216e5169c1fb471a36fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:3963e86bb55512e5860b40e458652845a9bc110c1ec007d253a3dab0984743da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960200300
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: 20 Waltzes (Letzte Waltzer) D 146, Op. 127: Valse (Ländler) No. 12 · Machine-readable JSON-LD