Hejno padlych andelu (When the fallen angels fly)

Recording identifiers

ISRC

CZA239500189

CopyrightID (CopyrightChains transaction hash)

0x4a827bce67ce3cb14546a13bddc5f6b0ba8ee5799d065b027e5a99af31622588

Copyright registration time

2026-07-29T15:47:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T19:35:34Z

Bitcoin block

960138

Canonical record hash

sha256:451dc7ece32f064742143514ca101812d21af67ebb1d1190595791341af4dc4e

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.