4 Pieces, Op. 7: IV. Bewegt

Recording by Anton Webern.

Recording identifiers

ISRC
HKI190453630
CopyrightID (CopyrightChains transaction hash)
0xff95fc98a3f841c06b5095e55e70a44529d92ee8d4c6a0f50b4137a446f5c6ab
Copyright registration time
2026-07-07T15:16:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:774474080d445e8603e64be142e3c5e56f15b592e63aa735a1783e59165cdb85

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.