Concrete

Recording by Louie Duffelbags.

Recording identifiers

ISRC
QZZ7S2411531
CopyrightID (CopyrightChains transaction hash)
0x27db1536141ab27a7186074c17bdb39d3881cb0a2e59399a5d2ff2f1e3b0855b
Copyright registration time
2026-06-22T13:06:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:708090c8b5df502a96f7bfff7d36784c0f5bdf5fb6f08634bf6f79ae2eec3284

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.