Sir Christèmas

Recording by William Mathias.

Recording identifiers

ISRC
GBLLH1645803
CopyrightID (CopyrightChains transaction hash)
0x9439b1ca1ba4328212a1b257e4048e3cf4aa126611717565778389e887ad26da
Copyright registration time
2026-07-29T17:11:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:8ad53a177d54459ffd24afc9d0e58d0a12554f03dd113c0ce285d7545f4b6350

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.