ISRC DEF056500650
Verified recording
DEF056500650 is “Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1f56014d807dbd86e8ec674eb24fa06c6acebaeac4a2fb70ebe2c073c04d72fa and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500650.
Recording identifiers
- ISRC
- DEF056500650
- Title
- Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1f56014d807dbd86e8ec674eb24fa06c6acebaeac4a2fb70ebe2c073c04d72fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:4b6357540aab72396d80a761b62e94fbc810295143bcaec6967a1be86db7d32b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500650
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace · Machine-readable JSON-LD