Flower Duet

Recording by Maria Callas.

Recording identifiers

ISRC
UKDNQ1521059
CopyrightID (CopyrightChains transaction hash)
0xedcbfade76fbde5c8ff950d53fad142fcc571aaffa42e15e783178bc2540dcf4
Copyright registration time
2026-06-09T06:40:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ec5fb40dec0e1ef31e81d98c3d9911bdccb737ecd0a85ee8a10620ec4e46d9f1

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.