Symphony, Op. 21: I. Ruhig schreitend

Recording by Anton Webern.

Recording identifiers

ISRC
DEF059404821
CopyrightID (CopyrightChains transaction hash)
0xb37e5cbbce89ea5b3b185821ffe6a24546e1aa213ae8991088d0441d704f74d8
Copyright registration time
2026-07-30T05:23:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:57:05Z
Bitcoin block
960218
Canonical record hash
sha256:51f7b40e4154e1e3a40cd5004b53ee680659ed6baca765827121ee8fdee6b36c

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.