2+2=4

Recording by Patrick Tang.

Recording identifiers

ISRC
HKE971814007
CopyrightID (CopyrightChains transaction hash)
0x45bce08152caaebe66e9138594fa34a908672d4548cb3a368db852855c99e2fd
Copyright registration time
2026-07-07T02:57:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:f49638e81b840ba7b6ee3f011b1cb821630f5e440ca863be5fd201298beb295a

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.