NAJWIĘCEJ

Recording by Duchu.

Recording identifiers

ISRC
QZFYY2509043
CopyrightID (CopyrightChains transaction hash)
0xe821b4d35b52a607a6a5b2728a24485eddb0f5cbd0c79316ce0c75e14d04d4ba

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:11:09Z
Bitcoin block
960296
Canonical record hash
sha256:f2db963996704cf179b40d07de0a4067ae858a1113ebfa8f6c524fcbdfb50027

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.