CONTRA LA PARED

Recording by Coko Yamasaki.

Recording identifiers

ISRC
QZNJY2468149
CopyrightID (CopyrightChains transaction hash)
0x1e301d4b89754d4bc4fdaa921eeb4a8eb1aad2fa637ae5a49f06cb08bec14f34
Copyright registration time
2026-07-29T12:50:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:133fcbab2f7ff4b22335241f2f4b011e8de3140fb91d21cc8ca70fc7528d9841

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.