letter to my brudda - nightcore version

Recording by 21 Savage.

Recording identifiers

ISRC
USSM12401221
CopyrightID (CopyrightChains transaction hash)
0x0ce9946254ada4b963f20f817304ec86e0b0d3a252ff019b5187dac12b41d63e
Copyright registration time
2026-06-09T01:52:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:49d7ee24bca44330b4efe931b61d1e068905827e097cd88d0c38b9d8eda82aad

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.