Astolfo - Bonus Track

Recording by Negramaro.

Recording identifiers

ISRC
ITZ040300024
CopyrightID (CopyrightChains transaction hash)
0xd31ef86abe1b8888cf697dce74b5b880169a1f149fc72dfff53c41a68891db2a
Copyright registration time
2026-06-22T22:20:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b6e7c6a0414cdf79a200f31fe82e2a39fb8f4f6fe6140db97ccfaa36fb8a11b6

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.