ISRC CALC41900125
Verified recording
CALC41900125 is “Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): XXV. Gute Nacht” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x89171d4993dd4efc5c7fbe950d7abb47de71dc2021c58491bbe339005c50d5f2 and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41900125.
Recording identifiers
- ISRC
- CALC41900125
- Title
- Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): XXV. Gute Nacht
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x89171d4993dd4efc5c7fbe950d7abb47de71dc2021c58491bbe339005c50d5f2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:f4b883fce0cb963e13716a3e4c8d5cbda476579303839e82e217cbf31b7bfc9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41900125
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): XXV. Gute Nacht · Machine-readable JSON-LD