I. Tranquillo e sognante

Recording by Mario Castelnuovo-Tedesco.

Recording identifiers

ISRC
NLY332000224
CopyrightID (CopyrightChains transaction hash)
0xa2d4ad824ca92abcf07cdda92f200da682029e0acaf602fb80b82eb2f544f6fa
Copyright registration time
2026-07-07T19:32:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9e64e8fb4efd1d1c1a090876d05fbc6f8f265b2f8c7acd31cc51829481c32e92

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.