三首浪漫曲之二

Recording by Robert Schumann.

Recording identifiers

ISRC
TWC012110391
CopyrightID (CopyrightChains transaction hash)
0x5777c51111f580f1e3f53e55fb2e2d4fdc9420b5bf9d05b06370f44516f82749
Copyright registration time
2026-06-27T06:49:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:63d1f66418b0f747a860f041c48fbc2e3fa3709788d62f1d018cbadc412061a5

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.