Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd38a-c7e0-7134-86d7-91a4a027569d
Capture Method: Streaming
Captured At: Aug 5, 2026, 8:08 PM UTC

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

{
  "block_id": "019fd38b-27d3-7da3-a92e-efbf4ff2f159",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T20:08:29Z",
    "hash": "da64e973a39a0c64718b5cae378fa031a1fbc366a8d70b5c5c6817e683237079",
    "paging_token": "274085116110700544",
    "sequence": 63815414
  },
  "entropy_hash": "aa5461d8092c3720a5e619ea27c88b09a24ecff8a345370ed46d3e48fdf4db81",
  "id": "019fd38a-c7e0-7134-86d7-91a4a027569d",
  "inserted_at": "2026-08-05T20:08:35.552112Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "42fa6fbc22b5331eb099c3a2c75d3f93c5ee9c7511682254a209dc184dd56616",
  "signature": "mZdaRkCIDBXBd4jZSPI30YJQcVJ8JjB+jZAwLul25jszoz2ISwQjrLvGPn1qSsF5lrhef8E7C8YpM1qTg/YYAw==",
  "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":"2026-08-05T20:08:29Z","hash":"da64e973a39a0c64718b5cae378fa031a1fbc366a8d70b5c5c6817e683237079","paging_token":"274085116110700544","sequence":63815414}

Entropy Hash

aa5461d8092c3720a5e619ea27c88b09a24ecff8a345370ed46d3e48fdf4db81

Observation Hash

42fa6fbc22b5331eb099c3a2c75d3f93c5ee9c7511682254a209dc184dd56616

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: 019fd38a-c7e0-7134-86d7-91a4a027569d

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, 8:08 PM UTC

Ledger sequence 63815414

Truestamp Capture Time

Aug 5, 2026, 8:08 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)

42fa6fbc22b5331eb099c3a2c75d3f93c5ee9c7511682254a209dc184dd56616

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

mZdaRkCIDBXBd4jZSPI30YJQcVJ8JjB+jZAwLul25jszoz2ISwQjrLvGPn1qSsF5lrhef8E7C8YpM1qTg/YYAw==

Verify Signature Manually

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