diff --git a/README.md b/README.md
index 03c4403..acf07e8 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ Historical chart ranges use continuous aggregates:
 {
   "edge": "edge5",
   "tag": "hook_weight_1",
-  "time": "2026-06-19T00:00:00Z",
+  "timestamp": "2026-06-19T00:00:00Z",
   "value": 12.34
 }
 ```
@@ -51,7 +51,7 @@ Historical chart ranges use continuous aggregates:
 
 ```json
 {
-  "time": "2026-06-19T00:00:00Z",
+  "timestamp": "2026-06-19T00:00:00Z",
   "values": {
     "hook_weight_1": 12.34,
     "rotary_rpm": 80
diff --git a/src/ingest/dto/ingest-edge-values.dto.ts b/src/ingest/dto/ingest-edge-values.dto.ts
index dbe180a..fabdd5a 100644
--- a/src/ingest/dto/ingest-edge-values.dto.ts
+++ b/src/ingest/dto/ingest-edge-values.dto.ts
@@ -1,15 +1,8 @@
-import { Type } from 'class-transformer';
-import { IsDateString, IsNumber, IsObject, IsOptional } from 'class-validator';
+import { IsDateString, IsObject } from 'class-validator';
 
 export class IngestEdgeValuesDto {
-  @IsOptional()
   @IsDateString()
-  time?: string;
-
-  @IsOptional()
-  @Type(() => Number)
-  @IsNumber()
-  timestamp?: number;
+  timestamp!: string;
 
   @IsObject()
   values!: Record<string, number>;
diff --git a/src/ingest/dto/ingest-point.dto.ts b/src/ingest/dto/ingest-point.dto.ts
index b51de41..8d1d7c4 100644
--- a/src/ingest/dto/ingest-point.dto.ts
+++ b/src/ingest/dto/ingest-point.dto.ts
@@ -1,5 +1,5 @@
 import { Type } from 'class-transformer';
-import { IsDateString, IsNotEmpty, IsNumber, IsOptional, IsString } from 'class-validator';
+import { IsDateString, IsNotEmpty, IsNumber, IsString } from 'class-validator';
 
 export class IngestPointDto {
   @IsNotEmpty()
@@ -10,14 +10,8 @@ export class IngestPointDto {
   @IsString()
   tag!: string;
 
-  @IsOptional()
   @IsDateString()
-  time?: string;
-
-  @IsOptional()
-  @Type(() => Number)
-  @IsNumber()
-  timestamp?: number;
+  timestamp!: string;
 
   @Type(() => Number)
   @IsNumber()
diff --git a/src/ingest/ingest.controller.ts b/src/ingest/ingest.controller.ts
index 02d25e4..befcc55 100644
--- a/src/ingest/ingest.controller.ts
+++ b/src/ingest/ingest.controller.ts
@@ -22,7 +22,6 @@ export class IngestController {
       edge,
       tag,
       value: Number(value),
-      time: body.time,
       timestamp: body.timestamp,
     }));
 
diff --git a/src/ingest/ingest.service.ts b/src/ingest/ingest.service.ts
index e44a44f..c93e337 100644
--- a/src/ingest/ingest.service.ts
+++ b/src/ingest/ingest.service.ts
@@ -2,13 +2,6 @@ import { Injectable } from '@nestjs/common';
 import { DbService } from '../db/db.service';
 import { IngestPointDto } from './dto/ingest-point.dto';
 
-type NormalizedPoint = {
-  time: Date;
-  edge: string;
-  tag: string;
-  value: number;
-};
-
 type IngestResult = {
   processed: number;
 };
@@ -17,21 +10,14 @@ type IngestResult = {
 export class IngestService {
   constructor(private readonly db: DbService) {}
 
-  /** Пишет одну сырую точку в history и обновляет текущий снимок current для UI/SSE. */
+  /** Пишет одну входящую точку в history и обновляет текущий снимок current для UI/SSE. */
   async ingestPoint(point: IngestPointDto): Promise<IngestResult> {
-    const normalized: NormalizedPoint = {
-      edge: point.edge,
-      tag: point.tag,
-      value: point.value,
-      time: new Date((point.time ?? point.timestamp) as string | number),
-    };
-
     await this.db.query(
       `
         INSERT INTO history (timestamp, edge, tag, value)
         VALUES ($1, $2, $3, $4)
       `,
-      [normalized.time, normalized.edge, normalized.tag, normalized.value],
+      [point.timestamp, point.edge, point.tag, point.value],
     );
 
     await this.db.query(
@@ -43,7 +29,7 @@ export class IngestService {
           value = $3,
           "updatedAt" = NOW()
       `,
-      [normalized.edge, normalized.tag, normalized.value],
+      [point.edge, point.tag, point.value],
     );
 
     return { processed: 1 };