ISRC GBBBA0300822
Verified recording
GBBBA0300822 is “String Quartet No. 2 in G Major, Op. 18 No. 2: 2. Adagio cantabile - Allegro - Tempo I” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x791a6b81d5eb514957e8218d5b00025112766914c3dc2c0f41b40c7baad2f7eb 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/GBBBA0300822.
Recording identifiers
- ISRC
- GBBBA0300822
- Title
- String Quartet No. 2 in G Major, Op. 18 No. 2: 2. Adagio cantabile - Allegro - Tempo I
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x791a6b81d5eb514957e8218d5b00025112766914c3dc2c0f41b40c7baad2f7eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:050f534d851791a9290945dfbb7140a1644ae79e78733c96a03dd0b3b5eaeeca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0300822
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 2 in G Major, Op. 18 No. 2: 2. Adagio cantabile - Allegro - Tempo I · Machine-readable JSON-LD