L'Annonciation

Recording by Heinrich Ignaz Franz von Biber.

Recording identifiers

ISRC
GBPFW0900259
CopyrightID (CopyrightChains transaction hash)
0x17cba129a288ff084d71faa8ad2cc7c50c16ae01d3f0b3fe6e8e91b19e532aac
Copyright registration time
2026-06-23T07:41:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:73ab9c7fdb57f18b2b2938f0b532b730eff3664120adebfef9313b07a104a17d

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.