ISRC PLB821900148
Verified recording
PLB821900148 is “Zmęczony (prod. L. Kamiński)” by Happysad,
registered on the CopyrightChains blockchain with CopyrightID
0xf143f60eed62fc5cb9606d9c42929732e5f445f9a5a6b20876c97faaf523aa5f and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB821900148.
Recording identifiers
- ISRC
- PLB821900148
- Title
- Zmęczony (prod. L. Kamiński)
- Artist
- Happysad
- CopyrightID (CopyrightChains transaction hash)
0xf143f60eed62fc5cb9606d9c42929732e5f445f9a5a6b20876c97faaf523aa5f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e142621d733e69131fd83932d8517000bdca3b2ee202354b1e42f30edef1ba05- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB821900148
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Zmęczony (prod. L. Kamiński) · Machine-readable JSON-LD