ISRC GBAYC8500521
Verified recording
GBAYC8500521 is “String Quartet No. 2 in G Major, Op. 18 No. 2: I. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8c5eab3568966e0a48f5ed400dc440b957041e326bb466262fad2a26a6006bce and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8500521.
Recording identifiers
- ISRC
- GBAYC8500521
- Title
- String Quartet No. 2 in G Major, Op. 18 No. 2: I. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8c5eab3568966e0a48f5ed400dc440b957041e326bb466262fad2a26a6006bce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:23d6d86a7c7422e1d7581144466869fbb913259bd552af7925f8236025ce93d3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8500521
- Bitcoin block existence check
- https://blockstream.info/api/block/960121
Full record
Track page: String Quartet No. 2 in G Major, Op. 18 No. 2: I. Allegro · Machine-readable JSON-LD