ISRC DEN961902861
Verified recording
DEN961902861 is “Four Pieces for Violin and Piano, Op. 7: I. Sehr langsam” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x7909e282d4506a0bc90d5c8a1b61a00d3327c12a7a0d62e0945a0d43a18ac1a3 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/DEN961902861.
Recording identifiers
- ISRC
- DEN961902861
- Title
- Four Pieces for Violin and Piano, Op. 7: I. Sehr langsam
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x7909e282d4506a0bc90d5c8a1b61a00d3327c12a7a0d62e0945a0d43a18ac1a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:7566fa0c2dc0e0eb0f8ccc450eb8408fcc9eae8f6b4f95b32fb636c3715d7aba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961902861
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Four Pieces for Violin and Piano, Op. 7: I. Sehr langsam · Machine-readable JSON-LD