ISRC PLC701911412
Verified recording
PLC701911412 is “Pieśni, Op.3: VII. Nie płacz nade mną” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0xf5108da40480cfc2b9a7795112d7e0b8e1bfc412f7f9e7b527b28450322ff1b0 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/PLC701911412.
Recording identifiers
- ISRC
- PLC701911412
- Title
- Pieśni, Op.3: VII. Nie płacz nade mną
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0xf5108da40480cfc2b9a7795112d7e0b8e1bfc412f7f9e7b527b28450322ff1b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:891cb9db937252fb9598e4c5999aebfa3597ef45e79b75db2118044aaca9adfa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911412
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Pieśni, Op.3: VII. Nie płacz nade mną · Machine-readable JSON-LD