Bittersweet World

Recording by Martin Gauffin.

Recording identifiers

ISRC
SE5Q51700236
CopyrightID (CopyrightChains transaction hash)
0xe25c92d359f218c18781bb4025e029f14a2f803ae98e73268347c509685b1de9
Copyright registration time
2026-07-07T13:45:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3d20fa0849dff531e2a17f6fb9062e898759fed5b2881f10d1589886322cbace

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.