ISRC USWD12113154
Verified recording
USWD12113154 is “Familjen Madrigal” by Sandra Kassman,
registered on the CopyrightChains blockchain with CopyrightID
0x907eede5f4026b1ed94cd05c67e61077aedd88cb196867374395da8d60e206d7 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWD12113154.
Recording identifiers
- ISRC
- USWD12113154
- Title
- Familjen Madrigal
- Artist
- Sandra Kassman
- CopyrightID (CopyrightChains transaction hash)
0x907eede5f4026b1ed94cd05c67e61077aedd88cb196867374395da8d60e206d7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:caabaf179a34f57966fef090ebbc0b814bad59f022851eb22b01e11c007cd5de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWD12113154
- Bitcoin block existence check
- https://blockstream.info/api/block/953515