ISRC QMRSZ2100969

Verified recording

QMRSZ2100969 is “Perfect Day” by Karen O, registered on the CopyrightChains blockchain with CopyrightID 0x63fdaf0743a4f5db2409c89672973aca92709e19c5ec69e60a414835ece6454b 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/QMRSZ2100969.

Recording identifiers

ISRC
QMRSZ2100969
Title
Perfect Day
Artist
Karen O
CopyrightID (CopyrightChains transaction hash)
0x63fdaf0743a4f5db2409c89672973aca92709e19c5ec69e60a414835ece6454b

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:1b189f900c900d67093769e8cc7920d3833cce55d73a4410fbe7027ba9d42011
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMRSZ2100969
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Perfect Day · Machine-readable JSON-LD