Fünf Lieder, Op. 26: II. Nachts

Recording by Hans Pfitzner.

Recording identifiers

ISRC
DEN961904690
CopyrightID (CopyrightChains transaction hash)
0xdf6bb5c5a0c133ca027c6ce442ab5f3627f402707cdb033cdcf54e621b3a5938
Copyright registration time
2026-07-07T16:28:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2b60034c5dc71e6c42126c4fb96947a0958f37519a417a64d17888664d8e90ff

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.