Mystery's Song

Recording by Alfred Deller.

Recording identifiers

ISRC
USX760801827
CopyrightID (CopyrightChains transaction hash)
0x135d35b663fd5489341f36370e61aee25b3418b2bf5e0787e6955e73456580a0
Copyright registration time
2026-07-07T05:40:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:da35b2cd2d3e2dd2b5b09baf3033c2e2186ed25806a82ca4a8ff3ca5baf14472

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.