Palestrina, Act 2: I. Prelude Act 2 - Live

Recording by Hans Pfitzner.

Recording identifiers

ISRC
USB8U2402636
CopyrightID (CopyrightChains transaction hash)
0xe91d0e25a0353af5e3f27e5f1ba1d79a2db9190c6153e0c18114ad041252626c
Copyright registration time
2026-07-07T08:45:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ff796a965223ebf76c464490737f580c9fe927f34a13d8c9e263e250557d0b4c

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.