ISRC DEN120203231
Verified recording
DEN120203231 is “Sein Problem” by Hans Hartz,
registered on the CopyrightChains blockchain with CopyrightID
0x7671ea9c0c1b7a636f7456c1060d7535cf581d16836360a74402196780c4d742 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/DEN120203231.
Recording identifiers
- ISRC
- DEN120203231
- Title
- Sein Problem
- Artist
- Hans Hartz
- CopyrightID (CopyrightChains transaction hash)
0x7671ea9c0c1b7a636f7456c1060d7535cf581d16836360a74402196780c4d742
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:4ef43701de3818c18d8593c002bf021342f5861e2b10594c240bad8d41a2c362- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN120203231
- Bitcoin block existence check
- https://blockstream.info/api/block/956889