Easy learning - Marimba Version

Recording by Classic Music for Study.

Recording identifiers

ISRC
DETL61410197
CopyrightID (CopyrightChains transaction hash)
0xa02b6df9c87db9ee44958e17208b641be403303227a1f911d692ca075c2a73c5
Copyright registration time
2026-07-30T14:01:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:eba49820d99e064f881886dcfbbd1c959f9078d9535d7f9b593a97c764cb13dc

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.