Symphony, Op. 21: I. Ruhig, schreitend

Recording by Anton Webern.

Recording identifiers

ISRC
HKI190453601
CopyrightID (CopyrightChains transaction hash)
0x3a47fa2e9ab7afcf06364a4ec5c133e097f0943edff7b326e273c474dca06567
Copyright registration time
2026-06-27T06:35:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:91787fef40332d6e7a11b23345205ac0191061f4a100768c1059afa94979dbe4

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.