ISRC PLA552300721
Verified recording
PLA552300721 is “Kto” by Marcysia,
registered on the CopyrightChains blockchain with CopyrightID
0x636d83500c0b9d9f3fc05d41588688f14814be41fd682a09574e3fa2f24e2943 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552300721.
Recording identifiers
- ISRC
- PLA552300721
- Title
- Kto
- Artist
- Marcysia
- CopyrightID (CopyrightChains transaction hash)
0x636d83500c0b9d9f3fc05d41588688f14814be41fd682a09574e3fa2f24e2943
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:d541690af5136369810ad7d03a19d1de34aa8813632061cc285b594043700742- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552300721
- Bitcoin block existence check
- https://blockstream.info/api/block/953520