ISRC CAJ720639904
Verified recording
CAJ720639904 is “Las cuatro estaciones porteñas: IV. Primavera portena (Arr. by Leonid Desyatnikov)” by Astor Piazzolla,
registered on the CopyrightChains blockchain with CopyrightID
0x24bcb5804219c42afc6257f2a51f337dd4762e40992697f0d6b923626442b517 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720639904.
Recording identifiers
- ISRC
- CAJ720639904
- Title
- Las cuatro estaciones porteñas: IV. Primavera portena (Arr. by Leonid Desyatnikov)
- Artist
- Astor Piazzolla
- CopyrightID (CopyrightChains transaction hash)
0x24bcb5804219c42afc6257f2a51f337dd4762e40992697f0d6b923626442b517
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3017f57bf4e9be1e9f2a09c5e23a1a4a785dfcafe78212089a7f67291fa2e3fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720639904
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Las cuatro estaciones porteñas: IV. Primavera portena (Arr. by Leonid Desyatnikov) · Machine-readable JSON-LD