ISRC GBKQU2237591
Verified recording
GBKQU2237591 is “Lullaby” by Osaki,
registered on the CopyrightChains blockchain with CopyrightID
0x494d66b0bf72d31b91ae5f3fbc89a95fbd4cbc5035662cd8f5fec419aae93dd8 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2237591.
Recording identifiers
- ISRC
- GBKQU2237591
- Title
- Lullaby
- Artist
- Osaki
- CopyrightID (CopyrightChains transaction hash)
0x494d66b0bf72d31b91ae5f3fbc89a95fbd4cbc5035662cd8f5fec419aae93dd8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:8363f1cc0cdeaf0d42786a097a3f59b0962dbf7d2e7f1968ce93ba395faa8ef5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2237591
- Bitcoin block existence check
- https://blockstream.info/api/block/953520