ISRC USSM17100537
Verified recording
USSM17100537 is “4 Pieces for Violin & Piano, Op. 7: III. Sehr langsam” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x1bf4aaad90f174a8425ad103131238209611da1c0665a6c22042272b3eeb04ed and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17100537.
Recording identifiers
- ISRC
- USSM17100537
- Title
- 4 Pieces for Violin & Piano, Op. 7: III. Sehr langsam
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x1bf4aaad90f174a8425ad103131238209611da1c0665a6c22042272b3eeb04ed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:24d0569323497d43e4e5a56a45b7709e70f99be09d6c85e80fa8e8e88b0f19b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17100537
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: 4 Pieces for Violin & Piano, Op. 7: III. Sehr langsam · Machine-readable JSON-LD