Elegie

Recording by Josef Kaspar Mertz.

Recording identifiers

ISRC
NLB150400644
CopyrightID (CopyrightChains transaction hash)
0xff6763cf90f0e37d8f846360efa76a2616d39c731e76bad655ebacd807665370
Copyright registration time
2026-07-31T14:11:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:dd27987dbc9d86215a824b3844d767840b21db3fc08b4b62bebb42ad898dbeb6

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.