Ich bin der Welt abhanden gekommen

Recording by Gustav Mahler.

Recording identifiers

ISRC
USSM12003866
CopyrightID (CopyrightChains transaction hash)
0x494e18bafe3ed8fbeec513601cf24dd016ac557c7e3d733d0b269a36cfa7ac1e
Copyright registration time
2026-06-25T01:18:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1cc97090733f54234c69e7d2ded83d425b1c6e7b95d53a2bd2fb37071103be84

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.