Black & Red

Recording by Rough Francis.

Recording identifiers

ISRC
QMBZ91353151
CopyrightID (CopyrightChains transaction hash)
0xa6c1ff3339272952b864cbd00f94328a111c323eccc0a742369d6b78f0c763ea
Copyright registration time
2026-07-31T23:27:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:51:35Z
Bitcoin block
960481
Canonical record hash
sha256:94b71119a6434d3a0b5eba20829d73a96a0bf1d21f3649210e71e51730d9f0a6

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.