ISRC USBN29900304
Verified recording
USBN29900304 is “Joan” by Gonzalo Rubalcaba,
registered on the CopyrightChains blockchain with CopyrightID
0xa068168ac91dc2b1596b98b3c8d2a04e978c59fb68bf7fd993f5e6c4a57b0aac and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29900304.
Recording identifiers
- ISRC
- USBN29900304
- Title
- Joan
- Artist
- Gonzalo Rubalcaba
- CopyrightID (CopyrightChains transaction hash)
0xa068168ac91dc2b1596b98b3c8d2a04e978c59fb68bf7fd993f5e6c4a57b0aac
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6e528172580563cc23132798cc97462696a5c9ab03df01630371f9ed1af9db97- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29900304
- Bitcoin block existence check
- https://blockstream.info/api/block/957118