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