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
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:55e3ce11a142bf729e2b1cf62a3e6d99525ad1a945b2c6e0506b3942c0b48421

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.