ISRC CH1409483908
Verified recording
CH1409483908 is “4 Polonaises for Piano, Op. 1: IV. Polonaise No. 4 in C Major” by Clara Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0xdee5ba3acbb5238295f09be727db4fa248a8ee03ba6990fb273ba0038c5e69fa and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1409483908.
Recording identifiers
- ISRC
- CH1409483908
- Title
- 4 Polonaises for Piano, Op. 1: IV. Polonaise No. 4 in C Major
- Artist
- Clara Schumann
- CopyrightID (CopyrightChains transaction hash)
0xdee5ba3acbb5238295f09be727db4fa248a8ee03ba6990fb273ba0038c5e69fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:57deb956591c6afc9cf385a87dbd0f5d728cd2bd201cfb86fbe2869762c09932- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1409483908
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 4 Polonaises for Piano, Op. 1: IV. Polonaise No. 4 in C Major · Machine-readable JSON-LD