Liederen Op. 2: Frühlingstag

Recording by Alexander von Zemlinsky.

Recording identifiers

ISRC
FR50X1739318
CopyrightID (CopyrightChains transaction hash)
0xb3c53b477bcd75698f57f5e7bc87aaf7fc4a4911d5d449ca3e6339aea8c15d16
Copyright registration time
2026-07-07T02:51:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e77fe8c98127dd75de9aab430a601190bf555eb1ba1389e67651505f8f1f87a2

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.