ISRC CZA167900082
Verified recording
CZA167900082 is “Oh, Harold” by Helena Vondráčková,
registered on the CopyrightChains blockchain with CopyrightID
0xab155c8eae677ab389daa1e93e3daac8f366a6a2a855c5d4de304dc5ebb72640 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167900082.
Recording identifiers
- ISRC
- CZA167900082
- Title
- Oh, Harold
- Artist
- Helena Vondráčková
- CopyrightID (CopyrightChains transaction hash)
0xab155c8eae677ab389daa1e93e3daac8f366a6a2a855c5d4de304dc5ebb72640
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:bb95cf3ba50da35974e25c0ff53555a99c2e8b0f219b2ce5811aae157dec7457- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167900082
- Bitcoin block existence check
- https://blockstream.info/api/block/956304