Solo 3 min

Recording by Negramaro.

Recording identifiers

ISRC
ITZ040500007
CopyrightID (CopyrightChains transaction hash)
0xe836c7eae1bc25ed09d1bd5bf363856e81e2e5f379f29d05fe76a8071d6b12e9
Copyright registration time
2026-06-01T21:28:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:9a969c9003f7034b26b423d317df58f62d79c63802108dc524fa29022e540b33

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.