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

Full record

Track page: Sein Problem · Machine-readable JSON-LD