ISRC USBB40580589
Verified recording
USBB40580589 is “Welcome Back” by Mase,
registered on the CopyrightChains blockchain with CopyrightID
0xdba09769630a091a20ac8a8cc18c3d921500a98683faad136cc33057ec4cc97b 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/USBB40580589.
Recording identifiers
- ISRC
- USBB40580589
- Title
- Welcome Back
- Artist
- Mase
- CopyrightID (CopyrightChains transaction hash)
0xdba09769630a091a20ac8a8cc18c3d921500a98683faad136cc33057ec4cc97b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:9087adc20e0151cf6ad203f1d7f81f05d8823503f25e2791c3fc7feeea99e5a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBB40580589
- Bitcoin block existence check
- https://blockstream.info/api/block/953513