ISRC PLJ921800139
Verified recording
PLJ921800139 is “Grzecznie” by Postirol,
registered on the CopyrightChains blockchain with CopyrightID
0xfac642fd10591c6632824123329335c0fb42620213ee3f21e321f9c9e85978fa 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/PLJ921800139.
Recording identifiers
- ISRC
- PLJ921800139
- Title
- Grzecznie
- Artist
- Postirol
- CopyrightID (CopyrightChains transaction hash)
0xfac642fd10591c6632824123329335c0fb42620213ee3f21e321f9c9e85978fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0a8bd7f570b760cdda69b35347421ec1573cea5d81b2c0295a992bda611caedb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLJ921800139
- Bitcoin block existence check
- https://blockstream.info/api/block/957118