ISRC ITUM71100892
Verified recording
ITUM71100892 is “Mazurka No. 58 In A Flat: Mazurka in A flat major (1834)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1a74cf322ad35aa2f50c0b0da8d5238252cd8fa9d1480b18dc5cceb9d82db0ab and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71100892.
Recording identifiers
- ISRC
- ITUM71100892
- Title
- Mazurka No. 58 In A Flat: Mazurka in A flat major (1834)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1a74cf322ad35aa2f50c0b0da8d5238252cd8fa9d1480b18dc5cceb9d82db0ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:c1a0f77c744e60df146565107a352d69a9bc7e9daa2133dafeb1bcb9563748d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71100892
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 58 In A Flat: Mazurka in A flat major (1834) · Machine-readable JSON-LD