Kammersymphonie No. 1, Op. 9

Recording by Arnold Schoenberg.

Recording identifiers

ISRC
BER182279401
CopyrightID (CopyrightChains transaction hash)
0x7c244d52508a54ad4e63672f3ef7eff0e528fe7aa59313c9c1650123fd1a8fa9
Copyright registration time
2026-07-07T02:34:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ae6c791dc071cf3f5ed6b03e2214737aec0470de46a93b31501f16e77019174f

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.