ISRC USLZJ2471180
Verified recording
USLZJ2471180 is “Once Again” by Mason MC,
registered on the CopyrightChains blockchain with CopyrightID
0x6f58bd19fcd4ede51e094deb915384e9d5c3bca8e55688d34195d5eca3b3ed42 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2471180.
Recording identifiers
- ISRC
- USLZJ2471180
- Title
- Once Again
- Artist
- Mason MC
- CopyrightID (CopyrightChains transaction hash)
0x6f58bd19fcd4ede51e094deb915384e9d5c3bca8e55688d34195d5eca3b3ed42
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:71390e2184847748b007b982063a753a103b7ce82abac37bc969e5338be17ed3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2471180
- Bitcoin block existence check
- https://blockstream.info/api/block/956302