ISRC GBAYC9705109
Verified recording
GBAYC9705109 is “Beethoven: 12 Variations on Mozart's "Ein Mädchen oder Weibchen" for Cello and Piano in F Major, Op. 66” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2f8e6bfeba316dc469068f91dc0a93b8428416d48e8c4c0f54d6bf5625990774 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/GBAYC9705109.
Recording identifiers
- ISRC
- GBAYC9705109
- Title
- Beethoven: 12 Variations on Mozart's "Ein Mädchen oder Weibchen" for Cello and Piano in F Major, Op. 66
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2f8e6bfeba316dc469068f91dc0a93b8428416d48e8c4c0f54d6bf5625990774
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:74d509aed6ca6ba0ba99f1bcee25c67f6579bf5b78334a213223b3778d86e2c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9705109
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Beethoven: 12 Variations on Mozart's "Ein Mädchen oder Weibchen" for Cello and Piano in F Major, Op. 66 · Machine-readable JSON-LD