Spem in alium

Recording by Thomas Tallis.

Recording identifiers

ISRC
GBLLH1230409
CopyrightID (CopyrightChains transaction hash)
0x985f9fc7c055d63b03a2ea1e7afe7dafa638188838396a3352649ce04f4c7c50
Copyright registration time
2026-07-07T10:30:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:21ef64d11752929f7b515f35be40d3259de9b68a7b9b3900fb222aa06d1d5c75

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.