{"service":"fractal-core/pulse","protocol_version":"fc-pulse/1","systems":[{"id":"cosmic","label":"Cosmic Pulse","anchor_iso":"1859-09-01T11:18:00Z","tick_unit_seconds":5.391247e-44,"tick_unit_label":"Planck time","mint_cadence":"fresh-per-mint"},{"id":"tonga","label":"Tonga (Toba) Pulse","anchor_iso":"2000-01-01T00:00:00Z","tick_unit_seconds":86400,"tick_unit_label":"Earth day (86400 s)","mint_cadence":"one-per-tick"},{"id":"yad","label":"Yad Pulse","anchor_iso":"2000-01-01T12:00:00Z","tick_unit_seconds":1.0000001744082287,"tick_unit_label":"Yad-second (sidereal-year / 512 / 61637)","mint_cadence":"one-per-tick"},{"id":"milli","label":"Milli Pulse","anchor_iso":"2026-01-01T00:00:00Z","tick_unit_seconds":0.001,"tick_unit_label":"Earth millisecond","mint_cadence":"fresh-per-mint"}],"signing_keys":[{"keyId":"pt-mkryyc2u-a64gno","publicKeyB64":"YQ+QRAQ3UtXyplmhWkzL5lVVFLR50mPV1W1DUbfVhaU="}]}