ISRC US57M1921203
Verified recording
US57M1921203 is “NÜLL” by Hanzel und Gretyl,
registered on the CopyrightChains blockchain with CopyrightID
0xc741f3b077ab3f5a97c6fe61c7877585d765d273f9d30bd929cbc4d495123c88 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US57M1921203.
Recording identifiers
- ISRC
- US57M1921203
- Title
- NÜLL
- Artist
- Hanzel und Gretyl
- CopyrightID (CopyrightChains transaction hash)
0xc741f3b077ab3f5a97c6fe61c7877585d765d273f9d30bd929cbc4d495123c88
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6a548d3960acb2cddde14a78a60a8ca79afda1929938b96a09b846e6554c68a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US57M1921203
- Bitcoin block existence check
- https://blockstream.info/api/block/956302