ISRC ATUM71200221
Verified recording
ATUM71200221 is “Der Kater” by Ludwig Hirsch,
registered on the CopyrightChains blockchain with CopyrightID
0x86bf350a4d220cde977d586d6333cd2ae13326d5a1f9d19998600e64058056d8 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATUM71200221.
Recording identifiers
- ISRC
- ATUM71200221
- Title
- Der Kater
- Artist
- Ludwig Hirsch
- CopyrightID (CopyrightChains transaction hash)
0x86bf350a4d220cde977d586d6333cd2ae13326d5a1f9d19998600e64058056d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:53a7f3c6a2a166567348e503d7c4f5f5dc5a43f0d06dd9a552a5b57c539f1030- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATUM71200221
- Bitcoin block existence check
- https://blockstream.info/api/block/957118