ISRC FRZ140603080
Verified recording
FRZ140603080 is “3 kleine Stücke, Op. 11: III. Äußerst ruhig” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0xa60fefe94fd128fde678970fc1c1ad7dfebd134445328b3c2b2df44f0d7f46b4 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140603080.
Recording identifiers
- ISRC
- FRZ140603080
- Title
- 3 kleine Stücke, Op. 11: III. Äußerst ruhig
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0xa60fefe94fd128fde678970fc1c1ad7dfebd134445328b3c2b2df44f0d7f46b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:da5800944344d13444e0fa1e29d183981a44579073ccd248eb52da91de5b2347- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140603080
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: 3 kleine Stücke, Op. 11: III. Äußerst ruhig · Machine-readable JSON-LD