Tax Bracket

Recording by Billy Marchiafava.

Recording identifiers

ISRC
QZPEW2425885
CopyrightID (CopyrightChains transaction hash)
0xfe947bdffbdce92bb8289439742f20a841dfa60215fc88db14f65b08c90b07f4
Copyright registration time
2026-06-11T13:34:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0fa936a0447e2e9bf727119c8ee48efed621e5cee54349ebd7c295c0f1907995

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.