ISRC CALC41900101
Verified recording
CALC41900101 is “Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): I. Gute Nacht” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x4b32f2f0da4aac4ea6fa66bd2bd39b65824298ba72f90f001c7c7d0c963fcfc2 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41900101.
Recording identifiers
- ISRC
- CALC41900101
- Title
- Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): I. Gute Nacht
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x4b32f2f0da4aac4ea6fa66bd2bd39b65824298ba72f90f001c7c7d0c963fcfc2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:86829bb2ce7ea5626d7f66a52be220ded728f7e4b46f3cd51ef1458f64784652- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41900101
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): I. Gute Nacht · Machine-readable JSON-LD