Spem in alium

Recording by Thomas Tallis.

Recording identifiers

ISRC
USB8U1613366
CopyrightID (CopyrightChains transaction hash)
0x3ae31a8915b5594a2d5283215c9a94d6bd9e2cc6c1e5a2fecc6a6cc304b55bbc
Copyright registration time
2026-07-07T03:06:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:75fe2a3173347bd9909193c57bc0f7e526a62bd50d43c43d33df04db63a33329

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.