ISRC PLA161394902
Verified recording
PLA161394902 is “Little Suite: No. 2, Hurra polka” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0x376ace81dcbdd9e9cf224ff99fa631edd61ba13c04a53aa8917f4cbb1d9bee0c and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161394902.
Recording identifiers
- ISRC
- PLA161394902
- Title
- Little Suite: No. 2, Hurra polka
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0x376ace81dcbdd9e9cf224ff99fa631edd61ba13c04a53aa8917f4cbb1d9bee0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:1550dffc8aafb08d219e278b506554af9689c32388ed519169660d36acfa1f26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161394902
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Little Suite: No. 2, Hurra polka · Machine-readable JSON-LD