RETEK CYPHER

Recording by Ótvar Pestis.

Recording identifiers

ISRC
HUA612403395
CopyrightID (CopyrightChains transaction hash)
0xedbf48e6cdbabd68f8657987d2cd8372ee93ce41a37b67da2550010127f7cf6f
Copyright registration time
2026-06-09T21:22:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:467d9ce183f2c68e9ca48135c60cf5d8da2a278ad7e241881b75d54fb45e1725

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.