ISRC CALC42200301
Verified recording
CALC42200301 is “Wiosna” by Alex Baranowski,
registered on the CopyrightChains blockchain with CopyrightID
0xc530428c8d080a80cb6e5742ed03549ea8c5172fd14f039322364a555c880bef and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42200301.
Recording identifiers
- ISRC
- CALC42200301
- Title
- Wiosna
- Artist
- Alex Baranowski
- CopyrightID (CopyrightChains transaction hash)
0xc530428c8d080a80cb6e5742ed03549ea8c5172fd14f039322364a555c880bef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:c0305b3d801a5e8960f2dd03fcc5f518e57957f22e33a734d38430a2e9d5716c- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42200301
- Bitcoin block existence check
- https://blockstream.info/api/block/956302