ISRC PLA552200420
Verified recording
PLA552200420 is “O nich, o tobie” by Sylwia Grzeszczak,
registered on the CopyrightChains blockchain with CopyrightID
0xc8255e963a74f129483bec4670853833c3b5b9013d96a5a97f77de1d300a364b and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552200420.
Recording identifiers
- ISRC
- PLA552200420
- Title
- O nich, o tobie
- Artist
- Sylwia Grzeszczak
- CopyrightID (CopyrightChains transaction hash)
0xc8255e963a74f129483bec4670853833c3b5b9013d96a5a97f77de1d300a364b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:b7fb7f050ed39f7645faa8c8ae8d6ed797768fb96a1e9535a52c130077b64e7e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552200420
- Bitcoin block existence check
- https://blockstream.info/api/block/960410