DIFICULDADE

Recording by TOKYO REACH.

Recording identifiers

ISRC
AUGBT2440273
CopyrightID (CopyrightChains transaction hash)
0x63ff08d3b4e5fdf5ba30dbdc330dd8a0e56b30b884e203929f7e8042d88b7200
Copyright registration time
2026-07-07T14:30:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:71e2f5ebd02344a43610e32b956addbc93685c39976600e32a18b1ee3ae7e0e0

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.