2x2

Recording by Umphrey's McGee.

Recording identifiers

ISRC
USSGI1110213
CopyrightID (CopyrightChains transaction hash)
0x9353605b56e8fbbdc7e16693ff3fe25aceed53c500fa1c1c69c2e2d79639fed1
Copyright registration time
2026-06-25T11:56:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:4096bd4e62a3bc5319b43361217cc6dcba5a1e1917011b9dccab8cde22c17299

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.