ISRC DEF058703061
Verified recording
DEF058703061 is “Mazurka No. 47 in A Minor, Op. 67 No. 4: Allegretto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4ca1df4c24b8bc839355bb12f364986ce03b8a745f161a634ea95e8b6ecc983e and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703061.
Recording identifiers
- ISRC
- DEF058703061
- Title
- Mazurka No. 47 in A Minor, Op. 67 No. 4: Allegretto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4ca1df4c24b8bc839355bb12f364986ce03b8a745f161a634ea95e8b6ecc983e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:cb1adec0947fd70dc36946bacef1f7b635a0348e7d4086ff731497959c820a65- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703061
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Mazurka No. 47 in A Minor, Op. 67 No. 4: Allegretto · Machine-readable JSON-LD