Urlicht

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEN421505004
CopyrightID (CopyrightChains transaction hash)
0xb4437a3fbcdbdc609c5ba4d640fdff2919f724560e12fe851fb9d79fc6751737
Copyright registration time
2026-06-27T06:55:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4577153a8b0295feaf818f72e58866b68fccba899ce73e721007d03b0d415524

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.