ISRC USBN20500372
Verified recording
USBN20500372 is “Canción para Dormir en el Sillón (Lulluby)” by Gonzalo Rubalcaba,
registered on the CopyrightChains blockchain with CopyrightID
0xa36874095c5c21f0caec48fcd926fae09f2f9dc63b7cbc85c91610d5abbae8e2 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/USBN20500372.
Recording identifiers
- ISRC
- USBN20500372
- Title
- Canción para Dormir en el Sillón (Lulluby)
- Artist
- Gonzalo Rubalcaba
- CopyrightID (CopyrightChains transaction hash)
0xa36874095c5c21f0caec48fcd926fae09f2f9dc63b7cbc85c91610d5abbae8e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:91a4aa7179a4d09b97f31a64183cd5b3c9d18a9e6b72fab9954d3c60845daf09- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN20500372
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Canción para Dormir en el Sillón (Lulluby) · Machine-readable JSON-LD