ISRC CALC41900103
Verified recording
CALC41900103 is “Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): III. Gefrorne Tränen” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x141edc1a2d98d48abf634a7a2b20463e033bd799d5469bc1a18a7d0e81883967 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41900103.
Recording identifiers
- ISRC
- CALC41900103
- Title
- Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): III. Gefrorne Tränen
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x141edc1a2d98d48abf634a7a2b20463e033bd799d5469bc1a18a7d0e81883967
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:d49b60e63ac23a0b268419e0bd42a010048ac34d9989d2af8ae7aaa3ebaf6a7e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41900103
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Winterreise, D. 911 (Arr. for Voice and Chamber Ensemble): III. Gefrorne Tränen · Machine-readable JSON-LD