"O du mein holder Abendstern" (d'après "Tannhäuser", Acte 3)

Recording by Richard Wagner.

Recording identifiers

ISRC
FRZ141308100
CopyrightID (CopyrightChains transaction hash)
0xad8581597f0ab8cd05f13ea1101e541ac003cee2da7678a3b7abe6d0fbde175f
Copyright registration time
2026-07-07T11:14:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f284b7623172344816824e8d05103e34379bdda4db666dbb48b3302514f7b381

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.