ISRC ES5621600428
Verified recording
ES5621600428 is “Ciudad Solitaria” by Alberto Cortez,
registered on the CopyrightChains blockchain with CopyrightID
0x316495fd7ed6ddcc90b0e045eed02cd2fd7fcd76c5998b42b45fbf003065c15b and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5621600428.
Recording identifiers
- ISRC
- ES5621600428
- Title
- Ciudad Solitaria
- Artist
- Alberto Cortez
- CopyrightID (CopyrightChains transaction hash)
0x316495fd7ed6ddcc90b0e045eed02cd2fd7fcd76c5998b42b45fbf003065c15b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:9e85a6c0f3f40a08c4779e70cfa141a42c86d7aa2f13cd597d2275eab3ab3483- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5621600428
- Bitcoin block existence check
- https://blockstream.info/api/block/960427