Elegy in D

Recording by Martijn Willers.

Recording identifiers

ISRC
NLVB51900028
CopyrightID (CopyrightChains transaction hash)
0xbcf3c12065eaff9a9118e6a1ba8169325c4dc0fbd403c8db289fa994b69cf5d6
Copyright registration time
2026-07-31T19:02:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:03ae7637c769f7f714d40404d43dca88fb9dd7b358c450ce3064356533b7c6ce

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.