Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fcf4d-9ad9-7eef-855d-ac2b938b1c6c
Capture Method: Streaming
Captured At: Aug 5, 2026, 12:23 AM UTC

Everything Truestamp records about this entropy observation, as a single canonical JSON object.

{
  "block_id": "019fcf4e-417d-71c8-bc8f-b0fc8f9c30be",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T00:23:12Z",
    "hash": "f9c31c80ba8bf7a4659c081d7b26ba0ffbb847d98eff56fd8e9e3247d021996c",
    "paging_token": "274030819134144512",
    "sequence": 63802772
  },
  "entropy_hash": "912c35207a9ccc8572c1a0b7913b15b35cfcaff64b8500d6e274dd809013715a",
  "id": "019fcf4d-9ad9-7eef-855d-ac2b938b1c6c",
  "inserted_at": "2026-08-05T00:23:17.465972Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "e2d3ac79a20da28c045fd08a591063b32de6cc411489b2cb1926073b6c2ebe88",
  "signature": "Hmb2WKFDpqoh1thsdA4YG31P7j/cRHSwdx/1FF/tZy6QmINx9pU+y9/6SSZuecS5ACpQC/zkTHVaR+2VnHf8Bg==",
  "signing_key_id": "3c19f776",
  "source": "entropy_stellar",
  "state": "committed"
}

Observation

Verifiable entropy captured from an external public source. The canonical JSON representation and its hash are used as input to the blockchain's Merkle tree.

Entropy Canonical Pretty

{"closed_at":"2026-08-05T00:23:12Z","hash":"f9c31c80ba8bf7a4659c081d7b26ba0ffbb847d98eff56fd8e9e3247d021996c","paging_token":"274030819134144512","sequence":63802772}

Entropy Hash

912c35207a9ccc8572c1a0b7913b15b35cfcaff64b8500d6e274dd809013715a

Observation Hash

e2d3ac79a20da28c045fd08a591063b32de6cc411489b2cb1926073b6c2ebe88

SHA-256 composite hash binding the entropy data, metadata, and signing key id. This is the value placed as a leaf in the block's Merkle tree, and the value covered by the signature below.

Observation ID: 019fcf4d-9ad9-7eef-855d-ac2b938b1c6c

Time Delta

Stellar ledgers include a close time representing when the ledger was finalized by network consensus. Ledgers close approximately every 5 seconds under normal operation.

Stellar Ledger Close Time

Aug 5, 2026, 12:23 AM UTC

Ledger sequence 63802772

Truestamp Capture Time

Aug 5, 2026, 12:23 AM UTC

Real-time capture via streaming

Time Difference (Clock Delta)

6 seconds

Source timestamp was 6 seconds behind capture time

Interpretation: A small delta (under 30 seconds) indicates normal Stellar network operation with ledgers closing approximately every 5 seconds.

Signature Verification

Truestamp signed this observation's hash at capture. Verify the signature in any Ed25519 verifier using the observation hash, public key, and signature shown below. The active public key is also published at https://www.truestamp.com/.well-known/keyring.json.

Algorithm

Ed25519

Message (Observation Hash, Hex encoded)

e2d3ac79a20da28c045fd08a591063b32de6cc411489b2cb1926073b6c2ebe88

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

Hmb2WKFDpqoh1thsdA4YG31P7j/cRHSwdx/1FF/tZy6QmINx9pU+y9/6SSZuecS5ACpQC/zkTHVaR+2VnHf8Bg==

Verify Signature Manually

Opens an external Ed25519 verification tool with all fields pre-filled.