ISRC ARF041000024
Verified recording
ARF041000024 is “La Vieja Maestra ("Que Frustracion")” by Sandro,
registered on the CopyrightChains blockchain with CopyrightID
0x59858961a2ead1769ab8d734e6f64e77ddf013573e1fea8b4381de96cf7203fa and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF041000024.
Recording identifiers
- ISRC
- ARF041000024
- Title
- La Vieja Maestra ("Que Frustracion")
- Artist
- Sandro
- CopyrightID (CopyrightChains transaction hash)
0x59858961a2ead1769ab8d734e6f64e77ddf013573e1fea8b4381de96cf7203fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:078bd6b00d24b9b51e0a26eab14606c049577b6b6f1d240564fe279e77836d15- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF041000024
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: La Vieja Maestra ("Que Frustracion") · Machine-readable JSON-LD