ISRC PLB010900006

Verified recording

PLB010900006 is “To Byl Dzień W Warszawie” by Sidney Polak, registered on the CopyrightChains blockchain with CopyrightID 0x09760dcc42f5d49640c127ccecd935d149e0d21bcae19fe30046504e37865e46 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/PLB010900006.

Recording identifiers

ISRC
PLB010900006
Title
To Byl Dzień W Warszawie
Artist
Sidney Polak
CopyrightID (CopyrightChains transaction hash)
0x09760dcc42f5d49640c127ccecd935d149e0d21bcae19fe30046504e37865e46

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:924c410b1b1669b88982e68d52c0408a9c59fa1eabe55692e9734830812e742a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB010900006
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: To Byl Dzień W Warszawie · Machine-readable JSON-LD