L'Orfeo, Ato primo: II. Lasciate i monti

Recording by Claudio Monteverdi.

Recording identifiers

ISRC
QM4TW1565525
CopyrightID (CopyrightChains transaction hash)
0xbfcb9659497ed99edcde77434f7bb47e8521bf69ee7ccd5c5ad8387e8c0865d2
Copyright registration time
2026-06-11T06:11:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b2c31377543d436fabf602e6b274c3e3d008602a95e97b52847c9388919cd90c

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.