ISRC NLCK41061871
Verified recording
NLCK41061871 is “Callejon Oscuro” by Alvaro Cabana,
registered on the CopyrightChains blockchain with CopyrightID
0x14a9e8c649d91e5d7daebb07c7d1625dbe2a01b74f48f2385c5c709b2b0a12f0 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK41061871.
Recording identifiers
- ISRC
- NLCK41061871
- Title
- Callejon Oscuro
- Artist
- Alvaro Cabana
- CopyrightID (CopyrightChains transaction hash)
0x14a9e8c649d91e5d7daebb07c7d1625dbe2a01b74f48f2385c5c709b2b0a12f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:450d441bcb0332e6c96ec9f7ccbec7776a754636f9fd740b920a690d213b1840- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK41061871
- Bitcoin block existence check
- https://blockstream.info/api/block/960441