Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd3ac-db00-749a-a92c-c6b3f1ed4ab5
Capture Method: Streaming
Captured At: Aug 5, 2026, 8:45 PM UTC

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

{
  "block_id": "019fd3ad-07c2-73cb-96dd-28118551d854",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T20:45:42Z",
    "hash": "eaaf15bd0ec3029a1c05900d5e352cae4518b9f2c23b63a1ded272e6f6fa7b8e",
    "paging_token": "274086825507684352",
    "sequence": 63815812
  },
  "entropy_hash": "96de4273dc89f8e0f15a4cd6cf664231d15b98fcfe6f3f75e71418b0dab1b029",
  "id": "019fd3ac-db00-749a-a92c-c6b3f1ed4ab5",
  "inserted_at": "2026-08-05T20:45:48.672344Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "0f4a400df20abeaf91d84fbc274ec7dabd52869c06fb58f6fb28059bab9a9e06",
  "signature": "0UqzsfE+7UrhFloSg0fn/wLPbc+FCJn18kW8VF+D45pBfEFvoKx4CnRxurwNPTKju5JvH01cj8tWjKQW8wqOCg==",
  "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":"2026-08-05T20:45:42Z","hash":"eaaf15bd0ec3029a1c05900d5e352cae4518b9f2c23b63a1ded272e6f6fa7b8e","paging_token":"274086825507684352","sequence":63815812}

Entropy Hash

96de4273dc89f8e0f15a4cd6cf664231d15b98fcfe6f3f75e71418b0dab1b029

Observation Hash

0f4a400df20abeaf91d84fbc274ec7dabd52869c06fb58f6fb28059bab9a9e06

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: 019fd3ac-db00-749a-a92c-c6b3f1ed4ab5

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, 8:45 PM UTC

Ledger sequence 63815812

Truestamp Capture Time

Aug 5, 2026, 8:45 PM UTC

Real-time capture via streaming

Time Difference (Clock Delta)

7 seconds

Source timestamp was 7 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)

0f4a400df20abeaf91d84fbc274ec7dabd52869c06fb58f6fb28059bab9a9e06

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

0UqzsfE+7UrhFloSg0fn/wLPbc+FCJn18kW8VF+D45pBfEFvoKx4CnRxurwNPTKju5JvH01cj8tWjKQW8wqOCg==

Verify Signature Manually

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