ISRC ES5371700590
Verified recording
ES5371700590 is “¿Por Qué?” by Los 4 Ros,
registered on the CopyrightChains blockchain with CopyrightID
0x2ca1f72807bc5db03f313cb6021033414e89a928d2f4e4f430612c2428b29c15 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/ES5371700590.
Recording identifiers
- ISRC
- ES5371700590
- Title
- ¿Por Qué?
- Artist
- Los 4 Ros
- CopyrightID (CopyrightChains transaction hash)
0x2ca1f72807bc5db03f313cb6021033414e89a928d2f4e4f430612c2428b29c15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1b74345e226dc0ad31791b966fabc0b5446e01ce14ac9413b5fee50a67ef983f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5371700590
- Bitcoin block existence check
- https://blockstream.info/api/block/957118