La Gioconda, Op. 9 / Act 2: Cielo e mar

Recording by Amilcare Ponchielli.

Recording identifiers

ISRC
GBAYC0302236
CopyrightID (CopyrightChains transaction hash)
0x8a23ba0c6efdfb2342611ee1d02ebb5a902d3d93f8491737352f2a33f836f495
Copyright registration time
2026-07-07T10:50:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7321836d461bf1e9610ff648cd0d69b802c872a08eefb5deb86204b4f7849565

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.