Piano Songs: No. 3 Old Song

Recording by Martin Stadtfeld.

Recording identifiers

ISRC
DEE862002983
CopyrightID (CopyrightChains transaction hash)
0x88953041d1a4638a10ef0d747fa7830f0fa59d34d0a908ba4da0fb4c1c0736b2
Copyright registration time
2026-07-07T08:53:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c311fcf08ec2397f1c62770a7bc4bc341e0033b925b7d8d804fbbdeb1b4d696f

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.