ISRC PLA246912969
Verified recording
PLA246912969 is “Do widzenia, mamo” by Jacek Lech,
registered on the CopyrightChains blockchain with CopyrightID
0xea455ccd1eeab68a7636b044539704b942f0ab2cb267c48d9af167d4f97893ee and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA246912969.
Recording identifiers
- ISRC
- PLA246912969
- Title
- Do widzenia, mamo
- Artist
- Jacek Lech
- CopyrightID (CopyrightChains transaction hash)
0xea455ccd1eeab68a7636b044539704b942f0ab2cb267c48d9af167d4f97893ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:3aa34cf3e36df0a2f41b1524a4086f26401e73dd23893b26ef3b3a18181db7e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA246912969
- Bitcoin block existence check
- https://blockstream.info/api/block/960138