ISRC QZRP52491856
Verified recording
QZRP52491856 is “4+4” by OTB Fastlane,
registered on the CopyrightChains blockchain with CopyrightID
0xc4a6a1e48118164f5fcc4e4a8f4d89331d7983531bb64bf66844a1fb2459ecb0 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/QZRP52491856.
Recording identifiers
- ISRC
- QZRP52491856
- Title
- 4+4
- Artist
- OTB Fastlane
- CopyrightID (CopyrightChains transaction hash)
0xc4a6a1e48118164f5fcc4e4a8f4d89331d7983531bb64bf66844a1fb2459ecb0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:404c1ea1ee28e675e8120915942d0b9d55403dfd367811438465ff15e8f0cd7c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52491856
- Bitcoin block existence check
- https://blockstream.info/api/block/956302