ISRC PLC701911409
Verified recording
PLC701911409 is “Pieśni, Op.3: IV. Na spokojnym, ciemnym morzu” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x42f9a6660744c16b992d2dc7ecb9e87ceef889adc0f3ca9af3a56a298a94a03a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911409.
Recording identifiers
- ISRC
- PLC701911409
- Title
- Pieśni, Op.3: IV. Na spokojnym, ciemnym morzu
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x42f9a6660744c16b992d2dc7ecb9e87ceef889adc0f3ca9af3a56a298a94a03a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6cf3f8624364faa1bcfc69dc9d5fd801a8c84f37a4b7a68fb274e7006d5bab80- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701911409
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pieśni, Op.3: IV. Na spokojnym, ciemnym morzu · Machine-readable JSON-LD