ISRC DEF057102676
Verified recording
DEF057102676 is “6 Piano Variations in F Major, Op. 34: Variation V. Marcia (Allegretto)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc9947caa89205afcc1e87b79b519cec03bb9b3eb7bf397f10485607afbefef71 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102676.
Recording identifiers
- ISRC
- DEF057102676
- Title
- 6 Piano Variations in F Major, Op. 34: Variation V. Marcia (Allegretto)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc9947caa89205afcc1e87b79b519cec03bb9b3eb7bf397f10485607afbefef71
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:0d2973b691f731970f2b7ade2eb1269877f623f5161b00338704a4d4aee340b7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102676
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: 6 Piano Variations in F Major, Op. 34: Variation V. Marcia (Allegretto) · Machine-readable JSON-LD