Ahoj, Léto

Recording by Hana Zagorová.

Recording identifiers

ISRC
CZA650000013
CopyrightID (CopyrightChains transaction hash)
0x2be0a8995462b03b3d79a7ee716ca9bfe50fe2b283eff930d8b4e3fb865cd4af
Copyright registration time
2026-06-24T18:49:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0ae7b1816875ece4ed75e8c2148b83521a594ed9a3f14c816cc784e825a9fed4

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.