What's Hard?
Recording by OldBoy Rhymes.
Recording identifiers
- ISRC
- QZNWX2488681
- CopyrightID (CopyrightChains transaction hash)
- 0x9573049f53bb1d3b60ba51fb9d52b75062a24de0f6882fcc30f098a23cebb5ac
- Copyright registration time
- 2026-07-31T05:42:43+00:00
OpenTimestamps proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:49:18Z
- Bitcoin block
- 960355
- Canonical record hash
- sha256:bb04c82a973ae1f4d1e8e2a3f694aabe2c106293235695c4f11e7d9a0277053b
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.