William Tell / Act 4: "Ah.. non mi lasciar, o speme di vendetta" - "O muto asil del pianto"

Recording identifiers

ISRC

GBF076910131

Release date of the album this recording appears on

1971-01-01

CopyrightID (CopyrightChains transaction hash)

0x735aa00aebeb2e8b8b7ce978e61513cedbb5175f9e59752d92d5b05573546c77

Copyright registration time

2026-06-07T19:11:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T12:53:06Z

Bitcoin block

953515

Canonical record hash

sha256:7434694a0cb6a7eb616d0b86333b587b4ae727fe97bc33212462149b936f2ef9

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBF076910131

What this proof establishes

This recording was released in 1971, 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.