ISRC QZFZ41988473
Verified recording
QZFZ41988473 is “Sax and the City” by Rakuyou,
registered on the CopyrightChains blockchain with CopyrightID
0x5ef53eab2a873bdd340dae595c7200a6a18cb081adefe272af27b1980a318d3b and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ41988473.
Recording identifiers
- ISRC
- QZFZ41988473
- Title
- Sax and the City
- Artist
- Rakuyou
- CopyrightID (CopyrightChains transaction hash)
0x5ef53eab2a873bdd340dae595c7200a6a18cb081adefe272af27b1980a318d3b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:6ff4db48bd5a7fa18a67e418e0a919c5bbb2adc2aeec4a617c80fbc7639a3ea7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ41988473
- Bitcoin block existence check
- https://blockstream.info/api/block/960138