Solo

Recording by Negramaro.

Recording identifiers

ISRC
ITZ040200228
CopyrightID (CopyrightChains transaction hash)
0x1c76364a9e7e773248bbb98fcb12fa82d86e5f7776828b081a7dec14032588da
Copyright registration time
2026-06-20T22:03:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:24ea87586f9d46d10fd9ca5b3b73c4ee9b005a01077649a3726099b693b20adc

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.