ISRC US57M1280004
Verified recording
US57M1280004 is “Hammerzeit” by Hanzel und Gretyl,
registered on the CopyrightChains blockchain with CopyrightID
0x0d443efc264dbad7f21fa40e220aeacd9249e6e5cf44fa479d3b9874b1dea115 and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US57M1280004.
Recording identifiers
- ISRC
- US57M1280004
- Title
- Hammerzeit
- Artist
- Hanzel und Gretyl
- CopyrightID (CopyrightChains transaction hash)
0x0d443efc264dbad7f21fa40e220aeacd9249e6e5cf44fa479d3b9874b1dea115
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:b9423ad3a0f67c86065953c44361a619e166bcdf7d3d55dc727616e650b90381- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US57M1280004
- Bitcoin block existence check
- https://blockstream.info/api/block/956375