I Shoulda Used A Rubba

Recording by Big L.

Recording identifiers

ISRC
USSM10904352
CopyrightID (CopyrightChains transaction hash)
0x587ceafe02aa509a78eadcc2292d6f4fd40c3c0eef8090fce7f43bb241b0595f
Copyright registration time
2026-06-07T10:40:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:d5cfa731f14797da6e7ff03670b9152e41a359b5d0f68d41e344645dedce9282

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.