So Long

Recording by Opia.

Recording identifiers

ISRC
TCAET2009652
CopyrightID (CopyrightChains transaction hash)
0x0d8fef15948ee3934539067e96c7f1ed6ffd585d7bbcf7c447844a3dfc6e0f1c
Copyright registration time
2026-06-18T18:39:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a84b20894ed98c41bc1e389fd667fb18d4768d5621bf9133e33088d2f6643f31

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.