ISRC USSM10212021
Verified recording
USSM10212021 is “6 Bagatellen für Streichquartett, Op. 9: I. Mäßige” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x767355b16d2d2e0fca2f76deff9a10d88a93b08f9dab8035cb0fe704f7f4fc10 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/USSM10212021.
Recording identifiers
- ISRC
- USSM10212021
- Title
- 6 Bagatellen für Streichquartett, Op. 9: I. Mäßige
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x767355b16d2d2e0fca2f76deff9a10d88a93b08f9dab8035cb0fe704f7f4fc10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b4835f8b33e22b5714ff5ec90c5f345033091629293cf61d4b3b1f7d46fc336a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212021
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 6 Bagatellen für Streichquartett, Op. 9: I. Mäßige · Machine-readable JSON-LD