ISRC HKI199648009
Verified recording
HKI199648009 is “4 Mazurkas: No. 3. Marieta (Mazurka)” by Francisco Tárrega,
registered on the CopyrightChains blockchain with CopyrightID
0x14ba6d1acf56f1b82b7a26e148fc582fb031ef6c132469826dfc69cb7f499292 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199648009.
Recording identifiers
- ISRC
- HKI199648009
- Title
- 4 Mazurkas: No. 3. Marieta (Mazurka)
- Artist
- Francisco Tárrega
- CopyrightID (CopyrightChains transaction hash)
0x14ba6d1acf56f1b82b7a26e148fc582fb031ef6c132469826dfc69cb7f499292
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:b385a4028d939a9dcab2483ef7423549dae9b04cf497259c5a3b6074df1c7b07- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199648009
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: 4 Mazurkas: No. 3. Marieta (Mazurka) · Machine-readable JSON-LD