Alma redemptoris mater

Recording by Rodolfus Choir.

Recording identifiers

ISRC
GBLLH1225712
CopyrightID (CopyrightChains transaction hash)
0x047b938562ebe1bcefe99b640d23bd0fe2b7dea1fcb03f6cb10232b7c97f13f0

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:5b27df6aac65af18049999a8e10cffc59c015874853e2d68e120f582e7077f2b

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.