Requiem: Offertorium - Sanctus

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
FR6V81286911
CopyrightID (CopyrightChains transaction hash)
0xfec642ae2c82aa431481ab48f072df99433830f623c95a521662e8835a5083d7
Copyright registration time
2026-07-07T15:50:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:9bab1aa81a9c7a4c9695062dd2b690d88fe88b4b99bd4c976a607b4a47f3e0ba

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.