ISRC DEF087202020
Verified recording
DEF087202020 is “Immer lustig” by Guru Guru,
registered on the CopyrightChains blockchain with CopyrightID
0x50a32176650086ad6d4fb0f57bb9b8a9d3b0d8d69fdd3b8718ecc41094de8271 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/DEF087202020.
Recording identifiers
- ISRC
- DEF087202020
- Title
- Immer lustig
- Artist
- Guru Guru
- CopyrightID (CopyrightChains transaction hash)
0x50a32176650086ad6d4fb0f57bb9b8a9d3b0d8d69fdd3b8718ecc41094de8271
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:9a02772b82e1ada0e8a0305735cabda0f6ec14b94b0a29141e1bf29fc575286b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF087202020
- Bitcoin block existence check
- https://blockstream.info/api/block/956889