Solo Callas

Recording by Duelo.

Recording identifiers

ISRC
USUM50511430
CopyrightID (CopyrightChains transaction hash)
0xe11ebacdf8ff21dd33ee49d21dcef867ff38753118f8e498c467a9f02678b3fe
Copyright registration time
2026-06-04T14:29:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0bb222438f854c07e1ea3114e74ee3e0c27a656d4c91d219b6bd5fac3f7b6787

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.