ISRC DEMZ11700071
Verified recording
DEMZ11700071 is “Blumenwalzer” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x93bbce3d341d858bc9fe4cfe1f05565ce0bfd19b2d6b183c0212101d1d54d052 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEMZ11700071.
Recording identifiers
- ISRC
- DEMZ11700071
- Title
- Blumenwalzer
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x93bbce3d341d858bc9fe4cfe1f05565ce0bfd19b2d6b183c0212101d1d54d052
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:a4212410ef17ceac83e62c0ba85f1d324bb35d72cb2067543c01a6798ec72411- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEMZ11700071
- Bitcoin block existence check
- https://blockstream.info/api/block/956889