ISRC CZB872101004
Verified recording
CZB872101004 is “Cuatro Estaciones Porteñas: Verano Porteño” by Astor Piazzolla,
registered on the CopyrightChains blockchain with CopyrightID
0x5d5ce0b4882c309cfeaab047a84cab9abfcc92e82752a0ec1d2b96d6b85f7cfb and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872101004.
Recording identifiers
- ISRC
- CZB872101004
- Title
- Cuatro Estaciones Porteñas: Verano Porteño
- Artist
- Astor Piazzolla
- CopyrightID (CopyrightChains transaction hash)
0x5d5ce0b4882c309cfeaab047a84cab9abfcc92e82752a0ec1d2b96d6b85f7cfb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:f743bc1d7ec7e0fc17731d6cd53e85230931847028045408afbd1055544d9a79- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872101004
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Cuatro Estaciones Porteñas: Verano Porteño · Machine-readable JSON-LD