ISRC USSM10212024
Verified recording
USSM10212024 is “6 Bagatellen für Streichquartett, Op. 9: IV. Sehr langsam” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0xa3b52374eb4ed862602938006b8f7f0995e32b66309d24fa05b9373f77f4d087 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212024.
Recording identifiers
- ISRC
- USSM10212024
- Title
- 6 Bagatellen für Streichquartett, Op. 9: IV. Sehr langsam
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0xa3b52374eb4ed862602938006b8f7f0995e32b66309d24fa05b9373f77f4d087
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:2ff5d5b11f4187c1e0c1258bebfa8be3faffdcc0ba8713aaced91770313f3867- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212024
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: 6 Bagatellen für Streichquartett, Op. 9: IV. Sehr langsam · Machine-readable JSON-LD