Competition & Profit

Recording by Big Sad 1900.

Recording identifiers

ISRC
USUYG1545635
CopyrightID (CopyrightChains transaction hash)
0x898454f75bc274958ad4380fe85d631bd9f1423eb0146d8fef1c4ac3953c555e
Copyright registration time
2026-06-21T03:44:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4a818c4650b8e6121efab8f0272d09ff3926cd72fb5767436f2c4ad026758bc2

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.