Aspakerspolska

Recording by Wilhelm Peterson-Berger.

Recording identifiers

ISRC
USB8U1600502
CopyrightID (CopyrightChains transaction hash)
0x1f0b52a42e440da96bd5fd97a8eec2acc1f86c5e193ffd2f1ba316fde84346ce
Copyright registration time
2026-01-28T22:26:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:10bda3cdbabcd065611fa6778f5b8d027050b99a77f6f751826744ee60b3f49b

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.