The Holly and the Ivy

Recording by Mack Wilberg.

Recording identifiers

ISRC
US23M2200183
CopyrightID (CopyrightChains transaction hash)
0x6a4c7168f46a5f45b1568f7046f49e20df0bd8fd6b900386877342f3626f16d7
Copyright registration time
2026-07-31T08:57:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19Z
Bitcoin block
960376
Canonical record hash
sha256:cdb62210eb04679ac6138acc722bfde315077af553cb309dfe7f790afa5b9b88

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.