Ladův betlém

Recording by Frantisek Nedved.

Recording identifiers

ISRC
CZA120303001
CopyrightID (CopyrightChains transaction hash)
0x66bffbee39de8363664bf539570271bc6b14fa6203879189f8bfa3e77392be04
Copyright registration time
2026-06-25T16:13:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3d72ce83abdc606b03c3167fceb1f314bb9b78c4109d8605a391b51a62ee7e7e

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.