ISRC FINDE9700124
Verified recording
FINDE9700124 is “Mazurka No. 25 in B Minor, Op. 33, No. 4 (arr. for guitar)” by Francisco Tárrega,
registered on the CopyrightChains blockchain with CopyrightID
0xa7f27bdad345b5167d175a03d8cbb2bb9159059e2f50b2008d457c1d6d62e323 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE9700124.
Recording identifiers
- ISRC
- FINDE9700124
- Title
- Mazurka No. 25 in B Minor, Op. 33, No. 4 (arr. for guitar)
- Artist
- Francisco Tárrega
- CopyrightID (CopyrightChains transaction hash)
0xa7f27bdad345b5167d175a03d8cbb2bb9159059e2f50b2008d457c1d6d62e323
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:c70eda5d97e5e318b70d4b474d5a02889aa38203c1d59adcedb5c0b33de87c1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE9700124
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Mazurka No. 25 in B Minor, Op. 33, No. 4 (arr. for guitar) · Machine-readable JSON-LD