String Quartet No. 2, Op. 10: III. Litanei. Langsam

Recording by Arnold Schoenberg.

Recording identifiers

ISRC
FR50X2200010
CopyrightID (CopyrightChains transaction hash)
0x7e7981de44b4518090ca2d2e8d78eb9baa51ed2049eefa08047dc437cd5677d4
Copyright registration time
2026-07-07T17:01:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c902fa0b5cd4b1c7c3612e14a44a10e2decdbfa82e42f0ad1c4323c071bdf0bf

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.