Interfone

Recording by Só Pra Contrariar.

Recording identifiers

ISRC
BRBMG9900065
CopyrightID (CopyrightChains transaction hash)
0x6387cb0fd1ec5193f0ce1936bc12b728af1e4a0a0e8f383ce4fc5c55bf06808e
Copyright registration time
2026-07-29T20:37:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:961f9ba029ae1fa0b8967775fc71cb5be6aaa42005c6ecd8b40e0550dce3eb8c

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.