ISRC ES64E2513051
Verified recording
ES64E2513051 is “WTF” by Castizzo,
registered on the CopyrightChains blockchain with CopyrightID
0x97d015605a2176fffc54955f56df0bfda54889ba745494a90b11ca6de764b080 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES64E2513051.
Recording identifiers
- ISRC
- ES64E2513051
- Title
- WTF
- Artist
- Castizzo
- CopyrightID (CopyrightChains transaction hash)
0x97d015605a2176fffc54955f56df0bfda54889ba745494a90b11ca6de764b080
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:640e38c5983d9a5d2b713493a2cbd44c7f7c5f8f86d6abc6faef65349fe51fa4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES64E2513051
- Bitcoin block existence check
- https://blockstream.info/api/block/953520