Concerto No. 2 For Marimba: Reflections And Dreams

Recording by Ney Rosauro.

Recording identifiers

ISRC
USCGJ0660537
CopyrightID (CopyrightChains transaction hash)
0x0f68891805c5f5e5be5b85d48033cfb43ce71a162d761bf82435cd6981fd474f
Copyright registration time
2026-07-07T02:17:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:90f3df7d5e93307c1cc4cbed216e944dd938492e7c9de0e047ae2c6ff147d0db

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.