Valse - Caprice, Op. 4

Recording by Amy Beach.

Recording identifiers

ISRC
USA220611222
CopyrightID (CopyrightChains transaction hash)
0x41ff2b8fb2fdc9d02f7590c26e4ee0bf50c505ade9a4e5c463395410488cce27
Copyright registration time
2026-07-07T11:54:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b818562c61231d4734c15c0e88e3ff2b471ea3874733d70d08c913b2045e66c2

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.