Grand Duo Concertant: 1. Allegro con fuoco

Recording by Carl Maria von Weber.

Recording identifiers

ISRC
DEF055309251
Release date of the album this recording appears on
2005-01-01
CopyrightID (CopyrightChains transaction hash)
0x6bda1c33245f6dc8d6d7f4226c95feac0e01bf7a2d31d7a4dd523fee0ff5e86c
Copyright registration time
2026-07-31T07:57:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:e758acfd86eda4cb99d1f53ff430aaccada5c8f01409684cc06d144f6176ba2d

What this proof establishes

This recording was released in 2005, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.