Home - Piano & Strings

Recording by Carlos Hof.

Recording identifiers

ISRC
US23A1590903
CopyrightID (CopyrightChains transaction hash)
0xb4989b5a1e2e802307f9ab4f9cd48a02cacbd0153d22bf50240a89d94dc16a66
Copyright registration time
2026-06-21T19:32:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a6ff7d57764d68a9b83511e20ba69f9a047cd66eac72fd8af13f78c00db06244

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.