Stimmen... Verstummen... Sinfonie in zwölf Sätzen

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
GBLWD9313010
CopyrightID (CopyrightChains transaction hash)
0xf8bfd7872650ba8c1b5ddcc4b13c4ea7e7e0c94eecf5d07b888d05cfae406701
Copyright registration time
2026-07-31T18:33:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:d4cd79cd48cb0f65bb3cbe6acb41ce4a0a4d709c741337d26e207371a712b8c3

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.