Nonchalant

Recording by 6LACK.

Recording identifiers

ISRC
USUM71811804
CopyrightID (CopyrightChains transaction hash)
0x24b31f1cfa461fab8c9bc5dc1f3f892e4cd63d7d1660519f5e16220334b44f44
Copyright registration time
2026-06-04T04:38:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5577ccb2c6dfa7f0630578f55e6b8b5fdeaf2ff7bf97916e0564340aaaa1de5d

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.