Best Effort

Recording by Reese Lansangan.

Recording identifiers

ISRC
TCAFO2168155
CopyrightID (CopyrightChains transaction hash)
0x09eef271fef0939cd8b9e3b04892818144178f9341947299ec5e80494803c810
Copyright registration time
2026-06-10T14:52:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:fdb5826b18e3d7cad4a1709e4d5d310d806f40abbd898a6114e0d911ee40183e

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.