ISRC USBB40581227
Verified recording
USBB40581227 is “Mad Rapper (Interlude)” by Mase,
registered on the CopyrightChains blockchain with CopyrightID
0x035b5ece26506b560d80c9cd94ffff401ed262f679aae728984407578d8e9e62 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBB40581227.
Recording identifiers
- ISRC
- USBB40581227
- Title
- Mad Rapper (Interlude)
- Artist
- Mase
- CopyrightID (CopyrightChains transaction hash)
0x035b5ece26506b560d80c9cd94ffff401ed262f679aae728984407578d8e9e62
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:6f1f35a51baadc627fc72ce00b90235b3a3c618895e4532db86afaa9e21fa336- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBB40581227
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Mad Rapper (Interlude) · Machine-readable JSON-LD