Concrete Jungle

Recording by Knowsum.

Recording identifiers

ISRC
QM4TX2369058
CopyrightID (CopyrightChains transaction hash)
0x97aec8c2758c753d666a02ee0301ad85babaab831c6050fc2e88729b33b7169d
Copyright registration time
2026-06-28T03:04:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:2738f00b7756811e999d3cf046aa1c9ebceed439dcd791d15f8e90f1c83d3dd6

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.