Quae est ista quae progreditur

Recording by Giovanni Pierluigi da Palestrina.

Recording identifiers

ISRC
USL4R0729505
CopyrightID (CopyrightChains transaction hash)
0x89e9e780a3b13274940f18ec8feafbeb1c346596cfed59432807cfd3c54d9086
Copyright registration time
2026-07-31T00:08:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:9597a75153325542797a811790ed3b11365e8009e9bfbeadd653dd7c0def5a6d

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.