ISRC USUM71209880
Verified recording
USUM71209880 is “Sin City” by John Legend,
registered on the CopyrightChains blockchain with CopyrightID
0x3d32985951adf18414dbfc32de7b0255565411031fe836394cb5bad165e85c93 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71209880.
Recording identifiers
- ISRC
- USUM71209880
- Title
- Sin City
- Artist
- John Legend
- CopyrightID (CopyrightChains transaction hash)
0x3d32985951adf18414dbfc32de7b0255565411031fe836394cb5bad165e85c93
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:de96a50b17ef1a5edc4b23589c7155ede7cec8f72ab69047648a882c39fd6066- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71209880
- Bitcoin block existence check
- https://blockstream.info/api/block/953513