Albumblatt in E Minor, Op. 117, MWV U134

Recording identifiers

ISRC

DEF057302170

CopyrightID (CopyrightChains transaction hash)

0x0d2ccada52d8e0ef4fbd25905d7db38ab022d08db2871a0459caa9b3e2453903

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T16:33:26Z

Bitcoin block

960435

Canonical record hash

sha256:fdb9936f4689a826d5f32185fd3f52feec3bcd2c7290da28c3523a1ef22c0b60

• 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.