Piano Songs: No. 2 Choral

Recording by Martin Stadtfeld.

Recording identifiers

ISRC
DEE862002982
CopyrightID (CopyrightChains transaction hash)
0xcea05d633bdda052dd2f6df992a3d533a335fcd9f65868109c9d3e9f809f4b68
Copyright registration time
2026-07-30T05:22:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:43:45Z
Bitcoin block
960212
Canonical record hash
sha256:76f2c15acbbb5d86734f5df5654e3569e4c7f92b9b9d19103fc0359bb0c1dff8

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.