ISRC ARF109901896
Verified recording
ARF109901896 is “La Cumparsita - '56 Version” by Héctor Varela y su Orquesta Típica,
registered on the CopyrightChains blockchain with CopyrightID
0xfc93d84256b40372b7b32f040b5ae1b92ab744be6b67f52e02aa4bce3cce94c2 and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901896.
Recording identifiers
- ISRC
- ARF109901896
- Title
- La Cumparsita - '56 Version
- Artist
- Héctor Varela y su Orquesta Típica
- CopyrightID (CopyrightChains transaction hash)
0xfc93d84256b40372b7b32f040b5ae1b92ab744be6b67f52e02aa4bce3cce94c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:29e28d52564d22f4846e8adc728202b8e32f4d14b774c4866986d610c1d4ba92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901896
- Bitcoin block existence check
- https://blockstream.info/api/block/960362
Full record
Track page: La Cumparsita - '56 Version · Machine-readable JSON-LD