ISRC DES311300332
Verified recording
DES311300332 is “Perfida” by José Carreras,
registered on the CopyrightChains blockchain with CopyrightID
0x9b878e4c38f46d4b2139ef263969ba8526c980800a02dde834751f15c780e351 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES311300332.
Recording identifiers
- ISRC
- DES311300332
- Title
- Perfida
- Artist
- José Carreras
- CopyrightID (CopyrightChains transaction hash)
0x9b878e4c38f46d4b2139ef263969ba8526c980800a02dde834751f15c780e351
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2117fd1e751409c068b8252e72f77b765921d6700642856f41f9aa6f0fca1d1a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES311300332
- Bitcoin block existence check
- https://blockstream.info/api/block/956304