ISRC NLF711504930
Verified recording
NLF711504930 is “Need U” by CALVO,
registered on the CopyrightChains blockchain with CopyrightID
0x30f466b4a57c66b3f52a139845820a6b48b05003d9300455d8014dd90a1b2c56 and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711504930.
Recording identifiers
- ISRC
- NLF711504930
- Title
- Need U
- Artist
- CALVO
- CopyrightID (CopyrightChains transaction hash)
0x30f466b4a57c66b3f52a139845820a6b48b05003d9300455d8014dd90a1b2c56
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:3ef46d5db12d4806f58dd87e5e7426e6a8180b1083b1dada212fefd9e0e66952- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711504930
- Bitcoin block existence check
- https://blockstream.info/api/block/960170