ISRC QZ9WZ2100014
Verified recording
QZ9WZ2100014 is “Nostalgia” by Brian Cid,
registered on the CopyrightChains blockchain with CopyrightID
0x74e90a710e3645f33f2cea04a69eb70e489953af439c012998f26573d0eb8155 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/QZ9WZ2100014.
Recording identifiers
- ISRC
- QZ9WZ2100014
- Title
- Nostalgia
- Artist
- Brian Cid
- CopyrightID (CopyrightChains transaction hash)
0x74e90a710e3645f33f2cea04a69eb70e489953af439c012998f26573d0eb8155
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2d697a7067f3fb0ec77fcf5d51c064975543a1f8259333068fdbbd5ade1eb7f8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9WZ2100014
- Bitcoin block existence check
- https://blockstream.info/api/block/957118