Telegrafní klíč

Recording by Václav Neckář.

Recording identifiers

ISRC
CZA167000098
CopyrightID (CopyrightChains transaction hash)
0x9c3895d8cd866a03d84e2d659029226307bdf7eac22bfde175158e6dc25e6cda
Copyright registration time
2026-07-07T14:17:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:41b9894b1814d76369ed2fb29736307a8ba6b81531b791f9df678ca214423ef6

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.