ISRC ITBZ81900899
Verified recording
ITBZ81900899 is “8 Variations on "Tändeln und Scherzen", WoO 76: Var. 3” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xdbc90d6c0e113f33451ba560faf68cb49599bfcb6eafe027815b7d75c6962189 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ81900899.
Recording identifiers
- ISRC
- ITBZ81900899
- Title
- 8 Variations on "Tändeln und Scherzen", WoO 76: Var. 3
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xdbc90d6c0e113f33451ba560faf68cb49599bfcb6eafe027815b7d75c6962189
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:1c7049197f59fbaab8aedba83b0d398905660b7088f8123d163a66cd1d4b75d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ81900899
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: 8 Variations on "Tändeln und Scherzen", WoO 76: Var. 3 · Machine-readable JSON-LD