C4

Recording by John C.

Recording identifiers

ISRC
BK4DA2311801
CopyrightID (CopyrightChains transaction hash)
0x16bbf9321f19babf1cc6d9ac344832c526aa145171e15c1517dc6fdd72171523
Copyright registration time
2026-06-19T13:00:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2ac1f614f6cb5b8895c39038226c63f50e49c73e40c649052e3dba2a050cb033

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.