ISRC US83Z2459637
Verified recording
US83Z2459637 is “Queen Size” by Koala,
registered on the CopyrightChains blockchain with CopyrightID
0x743048c755321c226938f996bad38a804529bdff4864eb2a2579a370d02d8c39 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2459637.
Recording identifiers
- ISRC
- US83Z2459637
- Title
- Queen Size
- Artist
- Koala
- CopyrightID (CopyrightChains transaction hash)
0x743048c755321c226938f996bad38a804529bdff4864eb2a2579a370d02d8c39
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:dd869285778ee1a53d5c87a9d2aa0815cf32c579a21960e0cd328431415f9618- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2459637
- Bitcoin block existence check
- https://blockstream.info/api/block/957120