Plán A

Recording by Koukr.

Recording identifiers

ISRC
CZUM72201215
CopyrightID (CopyrightChains transaction hash)
0x37583ea5a1f7675ce40ad4dffff4450ac4f3d97e97795d56deda8bdb5e2c0dec
Copyright registration time
2026-06-06T12:13:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:374bf5996bd7c95fd8a089a69c5da405072802373b03a6df13800587ce0a51b8

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.