ISRC GBBBA0300831
Verified recording
GBBBA0300831 is “String Quartet No. 4 in C Minor, Op. 18 No. 4: 1. Allegro ma non tanto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf640c6a31892e4d51c857bf00bfaa1ea84f24248562a62ee2def860e87804b7b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0300831.
Recording identifiers
- ISRC
- GBBBA0300831
- Title
- String Quartet No. 4 in C Minor, Op. 18 No. 4: 1. Allegro ma non tanto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf640c6a31892e4d51c857bf00bfaa1ea84f24248562a62ee2def860e87804b7b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c95cba1486b4db132d97f38e44ed492017096420bd14d5916b066e12cb70c9a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0300831
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 4 in C Minor, Op. 18 No. 4: 1. Allegro ma non tanto · Machine-readable JSON-LD