ISRC USSM10212025
Verified recording
USSM10212025 is “6 Bagatellen für Streichquartett, Op. 9: V. Äußerst langsam” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x036a2ec96af7a46da270e3f173e898145513f0fcc438f15e78727604744da4c5 and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212025.
Recording identifiers
- ISRC
- USSM10212025
- Title
- 6 Bagatellen für Streichquartett, Op. 9: V. Äußerst langsam
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x036a2ec96af7a46da270e3f173e898145513f0fcc438f15e78727604744da4c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:e14e989aa19dd736efbdf112ad83c96d447e8c7dcb1b6fd36f6c032713befa50- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212025
- Bitcoin block existence check
- https://blockstream.info/api/block/960294
Full record
Track page: 6 Bagatellen für Streichquartett, Op. 9: V. Äußerst langsam · Machine-readable JSON-LD