Win Some, Lose Some

Recording by Big Sean.

Recording identifiers

ISRC
USUM71501145
CopyrightID (CopyrightChains transaction hash)
0xea9891db3a20f19f058f5a8daef0c9bf877f5a750422dafe01d69520c18417bd
Copyright registration time
2026-06-07T12:16:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:bb781267d2cc037669f02f83b4cfcaa1dc1142b09a26d32cdaf13cbe75fddc8a

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.