So Long

Recording by Kankan.

Recording identifiers

ISRC
USUYG1582001
CopyrightID (CopyrightChains transaction hash)
0x2443f87ecad6346301a2cf8901c856a64cbab3add64ca98e0decd5da3259a8b3
Copyright registration time
2026-06-05T17:52:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3e4c549529acbb616a581bef13a105da33b20e8a4502631c81cffec19c1ad3d6

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.