ISRC FR50X1420901
Verified recording
FR50X1420901 is “Langsamer Satz für Streichquartett” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x5cc0f4ee20a8441cb360297a1e3bb5c54be74b03b0564cdf8301353ac07dfcf0 and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1420901.
Recording identifiers
- ISRC
- FR50X1420901
- Title
- Langsamer Satz für Streichquartett
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x5cc0f4ee20a8441cb360297a1e3bb5c54be74b03b0564cdf8301353ac07dfcf0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:87bda438403bad437c5c8d0e61b64ec81bcedb98aceea3fd4613bf7073021782- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1420901
- Bitcoin block existence check
- https://blockstream.info/api/block/960294
Full record
Track page: Langsamer Satz für Streichquartett · Machine-readable JSON-LD