ISRC FR50X1963708
Verified recording
FR50X1963708 is “Clarinet Quintet in B-Flat Major, Op. 34: I. Allegro” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x4d248a8b47a1133bf564e09769eca8cfb0162ff8cb257f6d08d28373191cf3d1 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1963708.
Recording identifiers
- ISRC
- FR50X1963708
- Title
- Clarinet Quintet in B-Flat Major, Op. 34: I. Allegro
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x4d248a8b47a1133bf564e09769eca8cfb0162ff8cb257f6d08d28373191cf3d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:4ef930be9e91f414e7e315e22b8f51f9259842fddfb7e7f94a1160e8875fbfce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1963708
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Clarinet Quintet in B-Flat Major, Op. 34: I. Allegro · Machine-readable JSON-LD