ISRC DEF056507113
Verified recording
DEF056507113 is “Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0cd19a93d4655f78b41cd9ae944796a715965475e2ae178c8501c9686baed876 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507113.
Recording identifiers
- ISRC
- DEF056507113
- Title
- Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0cd19a93d4655f78b41cd9ae944796a715965475e2ae178c8501c9686baed876
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:bc9ebecdd556f92b57dec3fdf24bc8a71332a1149eeb676f82716b7a3f5bc93b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507113
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 3 · Machine-readable JSON-LD