Lyric Pieces III, Op. 43: VI. To the Spring

Recording identifiers

ISRC

DEF059302160

CopyrightID (CopyrightChains transaction hash)

0xe259964ae7760f33df0033b23f6342b7768bbf324cda7ad5ad07d538bb426d29

Copyright registration time

2026-07-07T08:03:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:ff2c7e4a7d436b56854849591a4625a9c814864c527e1217938772ccb431d6a7

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.