ISRC CZH401105954
Verified recording
CZH401105954 is “32 Variations in C Minor, WoO 80” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x77c8151242cb920b73753843a77cf1bd65d0e55a33d28d2702765fb1bd4b9770 and independently timestamped
in Bitcoin block 960485 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401105954.
Recording identifiers
- ISRC
- CZH401105954
- Title
- 32 Variations in C Minor, WoO 80
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x77c8151242cb920b73753843a77cf1bd65d0e55a33d28d2702765fb1bd4b9770
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:10:46+00:00
- Bitcoin block
- 960485
- Canonical record hash
sha256:3223a3f1c8eed481c4bade3f992602cb399aff54e56b9ae477cca64c82ad1a9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401105954
- Bitcoin block existence check
- https://blockstream.info/api/block/960485
Full record
Track page: 32 Variations in C Minor, WoO 80 · Machine-readable JSON-LD