ISRC USLZJ2137037

Verified recording

USLZJ2137037 is “Liesel” by Antoni Komasa-Łazarkiewicz, registered on the CopyrightChains blockchain with CopyrightID 0x214457053b5e1f29288d9dfa87f1fe65f8d6878e80a0f1529b84c77d7ce1f145 and independently timestamped in Bitcoin block 960513 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2137037.

Recording identifiers

ISRC
USLZJ2137037
Title
Liesel
Artist
Antoni Komasa-Łazarkiewicz
CopyrightID (CopyrightChains transaction hash)
0x214457053b5e1f29288d9dfa87f1fe65f8d6878e80a0f1529b84c77d7ce1f145

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22+00:00
Bitcoin block
960513
Canonical record hash
sha256:e6dbe4c9284dbb83de1db81f542df315050463e9bb10d0f9f04ece2ae098f03f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2137037
Bitcoin block existence check
https://blockstream.info/api/block/960513

Full record

Track page: Liesel · Machine-readable JSON-LD