ISRC USSM10101629
Verified recording
USSM10101629 is “Fünf Sätze für Streichquartett, Op. 5: IV. Sehr langsam” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x804a14b1b289f2fc7d3b53da0484c292aab9ee4a43fde363f52b6bbf5d3dd7d6 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10101629.
Recording identifiers
- ISRC
- USSM10101629
- Title
- Fünf Sätze für Streichquartett, Op. 5: IV. Sehr langsam
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x804a14b1b289f2fc7d3b53da0484c292aab9ee4a43fde363f52b6bbf5d3dd7d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:3db806da9b3383b8998871e9ac58c93d607cb1ab5f2a6c68f5421d031173856d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10101629
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Fünf Sätze für Streichquartett, Op. 5: IV. Sehr langsam · Machine-readable JSON-LD