ISRC DEN960200280
Verified recording
DEN960200280 is “Valses nobles, D 969 (Op. 77): Valse No. 4” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x27a68a6b0de18d33ef4d45660bc813fe3289d4ac6e21ef7fe8bc154be22d6d65 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960200280.
Recording identifiers
- ISRC
- DEN960200280
- Title
- Valses nobles, D 969 (Op. 77): Valse No. 4
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x27a68a6b0de18d33ef4d45660bc813fe3289d4ac6e21ef7fe8bc154be22d6d65
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:034b90073cc34530bbb7b8fcb3eee201b41a17b3e2c6a4d9c110fdb51e86a99f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960200280
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Valses nobles, D 969 (Op. 77): Valse No. 4 · Machine-readable JSON-LD