Five Four

Recording by Eduardo Kusdra.

Recording identifiers

ISRC
BRUKE1400044
CopyrightID (CopyrightChains transaction hash)
0x0e1542b91bb23d7acae759dae80f45bd3b7a9c4afa206df83a055766be0a7056
Copyright registration time
2026-07-31T06:35:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:f7a5c8a2a8a1edd1143f3db180b9bbdd03e1ed6627ac615b12decf47df642587

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.