Concerto for 9 Instruments, Op. 24: II. Sehr rasch

Recording by Anton Webern.

Recording identifiers

ISRC
HKI190453636
CopyrightID (CopyrightChains transaction hash)
0x670dfa3b864ac3a60fee660cf026fdcf1894eb494b572b8e6c5558befe4cb77d
Copyright registration time
2026-07-07T09:46:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e55b6c1863fbab2eb157ce4098258b8e49f8748a333fafa6605196403d4f8a1

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.