ISRC USSM10101627
Verified recording
USSM10101627 is “Fünf Sätze für Streichquartett, Op. 5: II. Sehr langsam” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x323f9e36d85a857e429b82569dc8840c002008c838957582ead09d3f06f3e5dc and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10101627.
Recording identifiers
- ISRC
- USSM10101627
- Title
- Fünf Sätze für Streichquartett, Op. 5: II. Sehr langsam
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x323f9e36d85a857e429b82569dc8840c002008c838957582ead09d3f06f3e5dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:cbfd34a3ee34fabb40dbb74deddaee9a4aea3c0df25b92a6747000c468e1264b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10101627
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Fünf Sätze für Streichquartett, Op. 5: II. Sehr langsam · Machine-readable JSON-LD