Sour

Recording by LEVEL UP.

Recording identifiers

ISRC
CA5KR2220507
CopyrightID (CopyrightChains transaction hash)
0x297008cfcbe99bd0508313c0a91d2ab70753002d934d8e2b7bf8c6f02ffd8a02
Copyright registration time
2026-06-05T06:42:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:75c61ddfc7a79f23a243c66d9bb405cbd607fbc5dfaf015d11fd0fe062249deb

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.