ISRC USBL10300280
Verified recording
USBL10300280 is “Madrigal” by Cristian Castro,
registered on the CopyrightChains blockchain with CopyrightID
0xc7b489f1b74a81d9a2f82f9f61d5318cebbe2101995664d4163a241fd192d8fc and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBL10300280.
Recording identifiers
- ISRC
- USBL10300280
- Title
- Madrigal
- Artist
- Cristian Castro
- CopyrightID (CopyrightChains transaction hash)
0xc7b489f1b74a81d9a2f82f9f61d5318cebbe2101995664d4163a241fd192d8fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:a6595a23d729046463b3b5005a9c46ca5abb73f16b987689e9efa97ddfb97b2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBL10300280
- Bitcoin block existence check
- https://blockstream.info/api/block/956375