Etudes Mélodiques, Op. 60: I. Allegro

Recording by Matteo Carcassi.

Recording identifiers

ISRC
ESA011513431
CopyrightID (CopyrightChains transaction hash)
0x7efb5f928a400626199b4e890d5ee910640ada63aa57346a556441fb17503666
Copyright registration time
2026-07-29T11:27:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:46:30Z
Bitcoin block
960101
Canonical record hash
sha256:94adde2224173048c8586b6608ede9279282dd7910356d0625e8eb31c90b2740

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.