Losing Game

Recording by Karel Zich.

Recording identifiers

ISRC
CZA168800229
CopyrightID (CopyrightChains transaction hash)
0x1491ad765c062dcebcebb286c48af12a8d51f05c98917e9a5414afa75cc50706
Copyright registration time
2026-07-07T19:58:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:640584d26b80a7f353d4e9edfc21f85e0bc04ce8ac3edc3535e463a809b2d46f

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.