Mädchenlied, Op. 85, No. 3

Recording by Wayne Horvitz.

Recording identifiers

ISRC
USWH19501089
CopyrightID (CopyrightChains transaction hash)
0x2a0909505fd316b0022026942d5d01763de02d029b85311246dc052dcac74a4f
Copyright registration time
2026-07-30T00:59:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:c03c841030b5428eaf34ad4f72221a06d47b801156f05fde3e478131567c7630

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.