Schwanengesang

Recording by Franz Schubert.

Recording identifiers

ISRC
ITLF52414615
CopyrightID (CopyrightChains transaction hash)
0xce2c471bfef5266232712e3c67bf4772c2c09488df5119c2ab0b6d8f61d7ae2e
Copyright registration time
2026-07-07T19:50:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:d5d3fc2e81d484686538ef1dca0a42e9200626409eeed62a13b77e6795ffce4d

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.