Fading Sorrow

Recording by Marcin Wasilewski Trio.

Recording identifiers

ISRC
DEB331967804
CopyrightID (CopyrightChains transaction hash)
0xb1e0491a1a96a158c070d047ccd922339d784ba563313bd856498b1b377bba06
Copyright registration time
2026-06-25T03:13:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b524ef47a787853a930b1fcbd23626080d268330f8514b8a3bff3003b26dc312

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.