ISRC GBAYC8802821
Verified recording
GBAYC8802821 is “String Quartet No. 4 in C Minor, Op. 18 No. 4: I. Allegro ma non tanto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf4723569d85982b2e67a1101d4e4368bfa0c10c32c6e895f14761737819d7ecc 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/GBAYC8802821.
Recording identifiers
- ISRC
- GBAYC8802821
- Title
- String Quartet No. 4 in C Minor, Op. 18 No. 4: I. Allegro ma non tanto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf4723569d85982b2e67a1101d4e4368bfa0c10c32c6e895f14761737819d7ecc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:f7bc24b9c56e7456c8b6689da988fc0af8aff1d5a2c97bf98da4b2d35256dce2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8802821
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: String Quartet No. 4 in C Minor, Op. 18 No. 4: I. Allegro ma non tanto · Machine-readable JSON-LD