ISRC DEF056730660
Verified recording
DEF056730660 is “Mazurka No. 40 In F Minor Op. 63 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xdc2e203fa9b108310254b16ba4751b33fe8063f0439bd4b9a7b258ab510ff7af and independently timestamped
in Bitcoin block 954130 on 2026-06-17.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056730660.
Recording identifiers
- ISRC
- DEF056730660
- Title
- Mazurka No. 40 In F Minor Op. 63 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xdc2e203fa9b108310254b16ba4751b33fe8063f0439bd4b9a7b258ab510ff7af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-17T19:07:14+00:00
- Bitcoin block
- 954130
- Canonical record hash
sha256:d04e2873179bf1943453203f7f377bb3355f99df20351c9e1c74a80688194284- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056730660
- Bitcoin block existence check
- https://blockstream.info/api/block/954130
Full record
Track page: Mazurka No. 40 In F Minor Op. 63 No. 2 · Machine-readable JSON-LD