Die Walküre, Act I Scene 3: Der Männer Sippe sass hier im Saal

Recording by Richard Wagner.

Recording identifiers

ISRC
NLA508109409
CopyrightID (CopyrightChains transaction hash)
0x0755eb5c651492c367ebc669378fa29878266b355f343b53c54e91def7fe8ccc
Copyright registration time
2026-07-07T14:53:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:23f093364ab433b9ded8d032c984220556055ab336551af47fcf21c5aa8796d9

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.