ISRC USBN20500374
Verified recording
USBN20500374 is “Canción de Cuna del Niño Negro (African Lulluby)” by Gonzalo Rubalcaba,
registered on the CopyrightChains blockchain with CopyrightID
0x792b172907cb1574cc809f9f53382a0978aba51b8ba7e2b2ebe3a0452d8e29dd and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20500374.
Recording identifiers
- ISRC
- USBN20500374
- Title
- Canción de Cuna del Niño Negro (African Lulluby)
- Artist
- Gonzalo Rubalcaba
- CopyrightID (CopyrightChains transaction hash)
0x792b172907cb1574cc809f9f53382a0978aba51b8ba7e2b2ebe3a0452d8e29dd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:9a04347c3b08cf4bdeeba802b549057e487c5451c9400cbe87c0c4a45208714a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20500374
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Canción de Cuna del Niño Negro (African Lulluby) · Machine-readable JSON-LD