Day Four

Recording by Bloc Party.

Recording identifiers

ISRC
USJMZ1200057
CopyrightID (CopyrightChains transaction hash)
0x59ec4d0fe68807d6ad8a2b331283355c9d39929e5d5835104c71fc7e1d6175fc
Copyright registration time
2026-06-20T16:11:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7fba7a70e7f1fac250088954f9ddea24cd4960fa6423046bb8ec8ca0e563b99e

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.