ISRC QZDA71979181
Verified recording
QZDA71979181 is “Problema” by MR Rizzus,
registered on the CopyrightChains blockchain with CopyrightID
0x30b66a03eed42cd802397f00b0f6faf64f68e7fa9082cda81fa0e73a092a30da and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA71979181.
Recording identifiers
- ISRC
- QZDA71979181
- Title
- Problema
- Artist
- MR Rizzus
- CopyrightID (CopyrightChains transaction hash)
0x30b66a03eed42cd802397f00b0f6faf64f68e7fa9082cda81fa0e73a092a30da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:885d4051576d5e70f19dc417f295d0a0c5ec8f97fdcbdb7e2b61fef7f29c05f8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA71979181
- Bitcoin block existence check
- https://blockstream.info/api/block/957118