ISRC BK4DA2456357
Verified recording
BK4DA2456357 is “Nos complementamos” by John C,
registered on the CopyrightChains blockchain with CopyrightID
0xf938338fb077ce5a7176d975c2dde7d66d9b949d740d07627d4209923c077af4 and independently timestamped
in Bitcoin block 957145 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BK4DA2456357.
Recording identifiers
- ISRC
- BK4DA2456357
- Title
- Nos complementamos
- Artist
- John C
- CopyrightID (CopyrightChains transaction hash)
0xf938338fb077ce5a7176d975c2dde7d66d9b949d740d07627d4209923c077af4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T08:56:20+00:00
- Bitcoin block
- 957145
- Canonical record hash
sha256:01964bfcb15732cf61fa6e875150900df7f0431b4282c9c1840e77fab183e0c2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BK4DA2456357
- Bitcoin block existence check
- https://blockstream.info/api/block/957145