Sunday Lunch

Recording identifiers

ISRC

US3DF2568625

CopyrightID (CopyrightChains transaction hash)

0x5afaec743d174e2e1a17ed80db16b6b60a16b884f7d0944c1da7961d75e7ff51

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T12:45:34Z

Bitcoin block

960258

Canonical record hash

sha256:d3d2428088c66531c013c7419d7ce0b62623ab5a9bbb68c8c2deaed92f01e40a

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.