ISRC NLB630080004
Verified recording
NLB630080004 is “Cuándo” by Ricardo Arjona,
registered on the CopyrightChains blockchain with CopyrightID
0x72e42fc93d9bd2df6fd13999fefa420793adcbd2dd0fdb000f9eee3c100a152c 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/NLB630080004.
Recording identifiers
- ISRC
- NLB630080004
- Title
- Cuándo
- Artist
- Ricardo Arjona
- CopyrightID (CopyrightChains transaction hash)
0x72e42fc93d9bd2df6fd13999fefa420793adcbd2dd0fdb000f9eee3c100a152c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2afe4f0203ab2b2dede364e01fb2d4267d0e50c58681a8d1dd89e07474a88857- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB630080004
- Bitcoin block existence check
- https://blockstream.info/api/block/956304