ISRC GBAYC2200139
Verified recording
GBAYC2200139 is “Karłowicz: 10 Songs, Op. 3: No. 7, Nie płacz nade mną” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x157750d7247fc9906b7ed023d24da9f3eb8156b765d80bfcb7723b141f2df446 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200139.
Recording identifiers
- ISRC
- GBAYC2200139
- Title
- Karłowicz: 10 Songs, Op. 3: No. 7, Nie płacz nade mną
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x157750d7247fc9906b7ed023d24da9f3eb8156b765d80bfcb7723b141f2df446
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:b39e480bd6398e9d97e25ba3bf0134011610924fe53861cd1de0a9745838da88- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200139
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Karłowicz: 10 Songs, Op. 3: No. 7, Nie płacz nade mną · Machine-readable JSON-LD