R4

Recording by Troca de Rima.

Recording identifiers

ISRC
BCB662200003
CopyrightID (CopyrightChains transaction hash)
0x84822f06c054ce21d0e6eed70e3352eeaedaec9fa7adacd1a22ff53a7a6d78cf
Copyright registration time
2026-07-07T17:19:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:3f0b89458a7d13eb67fc251cf00f50998ba58f50f4dee9d4c41719c6323c1f33

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.