ISRC FRZ333103210
Verified recording
FRZ333103210 is “La Cumparsita” by Aníbal Troilo,
registered on the CopyrightChains blockchain with CopyrightID
0x7a276d76112847e52ab0eec2fa7ed64761070877a48e65a290b125139612b77a 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/FRZ333103210.
Recording identifiers
- ISRC
- FRZ333103210
- Title
- La Cumparsita
- Artist
- Aníbal Troilo
- CopyrightID (CopyrightChains transaction hash)
0x7a276d76112847e52ab0eec2fa7ed64761070877a48e65a290b125139612b77a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:cbb86c28df952f939838eb81e2e7dd70fe0e113f19b20566255a5d11f7aa87d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ333103210
- Bitcoin block existence check
- https://blockstream.info/api/block/960478