Ich bin der Welt abhanden gekommen

Recording by Gustav Mahler.

Recording identifiers

ISRC
NOFZS9934060
CopyrightID (CopyrightChains transaction hash)
0x308c394d202106b379fbdc3ad55c5057294578e6c0387ae1abc086b5f455b5c9
Copyright registration time
2026-07-06T10:57:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:011e685f58f8fa9d370dad97cc6746a22967f99f5f1f509b2aee0f9b67f14c15

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.