ISRC QZW9K2231312
Verified recording
QZW9K2231312 is “Urso Polar” by Zemaru,
registered on the CopyrightChains blockchain with CopyrightID
0x9df64f8eb13229fbc90fde96bb57f67af3d4cbcebd6022e5d41abb60eae1263b and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9K2231312.
Recording identifiers
- ISRC
- QZW9K2231312
- Title
- Urso Polar
- Artist
- Zemaru
- CopyrightID (CopyrightChains transaction hash)
0x9df64f8eb13229fbc90fde96bb57f67af3d4cbcebd6022e5d41abb60eae1263b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:92a2dfe59ec80ed650124172e0f9880a217690668f2625cd6533f20cc727ac7e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9K2231312
- Bitcoin block existence check
- https://blockstream.info/api/block/960296