Lullaby I

Recording by Franz Schubert.

Recording identifiers

ISRC
USSJ10815925
CopyrightID (CopyrightChains transaction hash)
0x4ca29b4aa3272a59adefbb35b5cef872a32e3d61d2b3b1365e62f7fbbfa4114b
Copyright registration time
2026-06-23T09:24:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:fa674876037a7a207a2152b5875f02d1f1edeab103b9d64bfaa1c7b2a89b85ac

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.