So Long (I Do)

Recording by LANCO.

Recording identifiers

ISRC
USAN21600017
CopyrightID (CopyrightChains transaction hash)
0x4673ed8eff06ff50327a646bc33da1dbff0325e57693b35b8098e539e6caec46
Copyright registration time
2026-06-08T01:36:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7d89a90fbe61578014f3084f8bcadf6118be66408edc09695876c180781a9dca

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.