Purpura

Recording by Rudolf Hrušínský.

Recording identifiers

ISRC
CZA168800059
CopyrightID (CopyrightChains transaction hash)
0x48be5001780df3894d5e5309b2b8a622db10b97ab4dd20fc258bf019580accc8
Copyright registration time
2026-07-07T13:53:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1acd60477ef0fe3e0ddfe8097051068aff5b5f1fb09cb3efc35caee9c6aff1cd

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.