{
  "schema": "ttllm.stream_log.v1",
  "count": 5,
  "tip": "032dff39417ee5ade3aa0797e984fe463d51b541091cb1366d918a77f16cda7d",
  "events": [
    {
      "schema": "ttllm.stream_event.v1",
      "event_type": "data_prepared",
      "timestamp_utc": "2026-08-08T13:35:34Z",
      "artefact_sha256": null,
      "payload": {
        "card": "data/DATA_CARD.md",
        "model": "ttllm-nano"
      },
      "prev_hash": null,
      "seq": 0,
      "event_hash": "336c50a04e995fc4b280e0e1bdfd0c7aa5e7b89736c76816628a804e343e8825"
    },
    {
      "schema": "ttllm.stream_event.v1",
      "event_type": "training_started",
      "timestamp_utc": "2026-08-08T13:35:34Z",
      "artefact_sha256": null,
      "payload": {
        "hyper": {
          "model": "ttllm-nano"
        }
      },
      "prev_hash": "336c50a04e995fc4b280e0e1bdfd0c7aa5e7b89736c76816628a804e343e8825",
      "seq": 1,
      "event_hash": "18da533de0051607d1e36f37fd9593fc6d68c69ac0dd29f4bcda01aa9c55ef16"
    },
    {
      "schema": "ttllm.stream_event.v1",
      "event_type": "loss_metric",
      "timestamp_utc": "2026-08-08T13:35:34Z",
      "artefact_sha256": null,
      "payload": {
        "step": 800,
        "loss": null
      },
      "prev_hash": "18da533de0051607d1e36f37fd9593fc6d68c69ac0dd29f4bcda01aa9c55ef16",
      "seq": 2,
      "event_hash": "7af7e422d51a67e7d7d8bfc852335a440f94a120e4c9f5dfca7700e2668ccbed"
    },
    {
      "schema": "ttllm.stream_event.v1",
      "event_type": "release",
      "timestamp_utc": "2026-08-08T13:35:34Z",
      "artefact_sha256": "b67436621d4bfd1bd237cda4229bb7e64515beef6d44157514ff7a8508356792",
      "payload": {
        "name": "ttllm-nano",
        "merkle_root": "b67436621d4bfd1bd237cda4229bb7e64515beef6d44157514ff7a8508356792"
      },
      "prev_hash": "7af7e422d51a67e7d7d8bfc852335a440f94a120e4c9f5dfca7700e2668ccbed",
      "seq": 3,
      "event_hash": "c73971d929880bec8e63bcde09f1c1d353e11540c4b9fb536e7de586a5ed962f"
    },
    {
      "schema": "ttllm.stream_event.v1",
      "event_type": "ttlink_index_sealed",
      "timestamp_utc": "2026-08-08T13:35:34Z",
      "artefact_sha256": null,
      "payload": {
        "canary": "ttllm-public-canary-v1"
      },
      "prev_hash": "c73971d929880bec8e63bcde09f1c1d353e11540c4b9fb536e7de586a5ed962f",
      "seq": 4,
      "event_hash": "032dff39417ee5ade3aa0797e984fe463d51b541091cb1366d918a77f16cda7d"
    }
  ]
}