Turandot

Recording by Birgit Nilsson.

Recording identifiers

ISRC
USX761302117
CopyrightID (CopyrightChains transaction hash)
0x893f6375ed4edc86037e336fc750560059d4611dcedfbf089bd22f33fbc74e7e
Copyright registration time
2026-07-07T08:24:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:80391e9762c6018a82ad5d4c54ca5341fbe4907af164cd376925455143be6073

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.