Puzzle

Recording by Paolo Buonvino.

Recording identifiers

ISRC
ITC700800631
CopyrightID (CopyrightChains transaction hash)
0xa478567108f23543deae2d7528dfa28cffca743a92026ce7cf1598250662d9b6
Copyright registration time
2026-07-06T23:54:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:dd2ac027588a69e9a46dda7c1c2440349732a9970f24d4cd5673657540395276

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.