Laendler

Recording by Irwin Kostal.

Recording identifiers

ISRC
USRC16406237
CopyrightID (CopyrightChains transaction hash)
0xa1289e51d18c7edd92dea3ce0436b00e4c66dc32d355d0b6f4718831b00dcf95
Copyright registration time
2026-06-04T15:43:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6654683283f4e3708930e0ae933c385cb64640894dae21cc547d6f934cf85926

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.