ISRC CZA167400564
Verified recording
CZA167400564 is “Kosmická Spolužačka” by Jan Vodňanský,
registered on the CopyrightChains blockchain with CopyrightID
0x15a4fb33b63f7c9b0d62df32e2274f6e882d6fddae1e7a09c912a4c2528b7130 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167400564.
Recording identifiers
- ISRC
- CZA167400564
- Title
- Kosmická Spolužačka
- Artist
- Jan Vodňanský
- CopyrightID (CopyrightChains transaction hash)
0x15a4fb33b63f7c9b0d62df32e2274f6e882d6fddae1e7a09c912a4c2528b7130
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:e39e6764edf50f253f1b622c0bf98e90198179b047b2f70aed63232acd8517fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167400564
- Bitcoin block existence check
- https://blockstream.info/api/block/957120