ISRC DEF078702240
Verified recording
DEF078702240 is “Herzauf und herzab” by Hans Hartz,
registered on the CopyrightChains blockchain with CopyrightID
0xc8ee2fe12228b39d28393d609b2c927abfd589d22288bfa66cb596182663fb93 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF078702240.
Recording identifiers
- ISRC
- DEF078702240
- Title
- Herzauf und herzab
- Artist
- Hans Hartz
- CopyrightID (CopyrightChains transaction hash)
0xc8ee2fe12228b39d28393d609b2c927abfd589d22288bfa66cb596182663fb93
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:1334f442518e3238f4a1cb6afcceb67d5fdf076a947e6226f870f277364c6875- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF078702240
- Bitcoin block existence check
- https://blockstream.info/api/block/960138