ISRC CZA166800384
Verified recording
CZA166800384 is “Hm - Hm!...” by Josef Zíma,
registered on the CopyrightChains blockchain with CopyrightID
0xefd96f2bb906c96a3843f7c1fd0a13d79247c9096e93a213291bdea62a291ece and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166800384.
Recording identifiers
- ISRC
- CZA166800384
- Title
- Hm - Hm!...
- Artist
- Josef Zíma
- CopyrightID (CopyrightChains transaction hash)
0xefd96f2bb906c96a3843f7c1fd0a13d79247c9096e93a213291bdea62a291ece
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:decd18db51105f5a17700b260c9187c50542bcd27b5894b1489cd76f802043cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA166800384
- Bitcoin block existence check
- https://blockstream.info/api/block/960463