ISRC GBAYC2200143
Verified recording
GBAYC2200143 is “Karłowicz: 10 Songs, Op. 3: No. 1, Mów do mnie jeszcze” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x1f55786f004bf79818f343673ff1b4d61bb84938a012b16aeb1af3ad474c92a5 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200143.
Recording identifiers
- ISRC
- GBAYC2200143
- Title
- Karłowicz: 10 Songs, Op. 3: No. 1, Mów do mnie jeszcze
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x1f55786f004bf79818f343673ff1b4d61bb84938a012b16aeb1af3ad474c92a5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:e0781788582aaee9f164c2e770bc344337b9d27b21dcf3997599990019d9b67a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200143
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Karłowicz: 10 Songs, Op. 3: No. 1, Mów do mnie jeszcze · Machine-readable JSON-LD