Xperto

Recording by Nfx.

Recording identifiers

ISRC
QMGR32071269
CopyrightID (CopyrightChains transaction hash)
0x4521373c59e22387718a30857d536a1b955569b39f3ef76ce5fb2ec9f7d47529
Copyright registration time
2026-07-07T18:34:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:23b1697daf57e1edbf059f4c48d86321ff51d90c2c436925e1ec22807e98f76b

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.