Ton Portrait

Recording by Dora Surleau.

Recording identifiers

ISRC
QZWFQ2318910
CopyrightID (CopyrightChains transaction hash)
0xa2fa1f5ccb15984b7a25d7ffd0fe76545d2af440b98dbda17e4afad2a017b3ff
Copyright registration time
2026-06-20T16:05:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:473ec9b6f2ff3983ba3ce2c8df362e0edc62dd0515650c1a5cb3db25a946fe44

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.