No. 2, Passo di pena in pena

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
DEU241103648
CopyrightID (CopyrightChains transaction hash)
0x4f16b8c405229c628d1829c67685bb2e7182a34323773839369a2ce8a2ba1ae2
Copyright registration time
2026-07-07T05:48:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a53c49df3eeb7225fc0cb007e507350a9aba1c26d273ef2581422ac7ab971635

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.