ISRC QZRP42358402
Verified recording
QZRP42358402 is “last christmas” by marshall4,
registered on the CopyrightChains blockchain with CopyrightID
0x9d31e40134e2aa1cb609bb8779c617ec9189d1a12cd1544c281a4c4180abb80a and independently timestamped
in Bitcoin block 960187 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42358402.
Recording identifiers
- ISRC
- QZRP42358402
- Title
- last christmas
- Artist
- marshall4
- CopyrightID (CopyrightChains transaction hash)
0x9d31e40134e2aa1cb609bb8779c617ec9189d1a12cd1544c281a4c4180abb80a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:34:28+00:00
- Bitcoin block
- 960187
- Canonical record hash
sha256:022ed3387a107b04792b529e695f691979bab9b9c8e1d12e478c7dcc7c96f0fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42358402
- Bitcoin block existence check
- https://blockstream.info/api/block/960187