Rossini: Guillaume Tell, Act 2: Duo. "Doux aveu ! Ce tendre langage" (Arnold, Mathilde)

Recording identifiers

ISRC

GBAYC9502365

Release date of the album this recording appears on

1973-01-01

CopyrightID (CopyrightChains transaction hash)

0xec7990ea6376d5501f6c4099558a0349350ff2a14f0f76c817336cbe847e57de

Copyright registration time

2026-07-30T20:13:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T20:23:53Z

Bitcoin block

960306

Canonical record hash

sha256:63c52f5f780e642d769c84cb7d8a7ffd13402bf375b2293a77941f7dd4179cd9

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAYC9502365

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.