ISRC FR50X2200011
Verified recording
FR50X2200011 is “String Quartet No. 2, Op. 10: IV. Entrückung. Sehr langsam” by Arnold Schoenberg,
registered on the CopyrightChains blockchain with CopyrightID
0xc8922181fdcce2b211962447d4a23e29c17cbd64a685e91f33e15f3010c39e91 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2200011.
Recording identifiers
- ISRC
- FR50X2200011
- Title
- String Quartet No. 2, Op. 10: IV. Entrückung. Sehr langsam
- Artist
- Arnold Schoenberg
- CopyrightID (CopyrightChains transaction hash)
0xc8922181fdcce2b211962447d4a23e29c17cbd64a685e91f33e15f3010c39e91
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:3a071b2dcba24eb1ebe190822d6e722191802a2d9e1803e9cd0647ce8f88aa9e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2200011
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: String Quartet No. 2, Op. 10: IV. Entrückung. Sehr langsam · Machine-readable JSON-LD