ISRC QM4DW1837049
Verified recording
QM4DW1837049 is “Żyjemy” by Oki,
registered on the CopyrightChains blockchain with CopyrightID
0xb1aad82fcbbe1fe377cb0b532290d6d86dbea1cf22e9cc4e34f6e587f3e130be 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/QM4DW1837049.
Recording identifiers
- ISRC
- QM4DW1837049
- Title
- Żyjemy
- Artist
- Oki
- CopyrightID (CopyrightChains transaction hash)
0xb1aad82fcbbe1fe377cb0b532290d6d86dbea1cf22e9cc4e34f6e587f3e130be
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:78157368921ca203caa3754fe58dd65dac4f2a2eb8c2a23708f9b031b217a1e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4DW1837049
- Bitcoin block existence check
- https://blockstream.info/api/block/953520