Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd377-63df-7d3e-9a09-aec08cfe5bcb
Capture Method: Streaming
Captured At: Aug 5, 2026, 7:47 PM UTC

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

{
  "block_id": "019fd377-edef-7a7f-bc3d-ddb6de416781",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T19:47:22Z",
    "hash": "59dff1acad714766dccf1e111fd9804d8a72f4a41a1c0361ed41a5d6970e5db1",
    "paging_token": "274084145448091648",
    "sequence": 63815188
  },
  "entropy_hash": "b830167428029fca4bd0f48de60f76f433cdad2903cbad91aa8aff35c8dbd76a",
  "id": "019fd377-63df-7d3e-9a09-aec08cfe5bcb",
  "inserted_at": "2026-08-05T19:47:24.767865Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "a1f9ff401c6049f9a00cb506a4a89ab324de62435985b5f93362da6b83b46afd",
  "signature": "MC8+6csAeUc9Zn+EDvYGpksWbWThSpLYnBL3GeP3ndx/5USf7a81be5piuBflCcoT/7HQiWPp6kaPQkAlN8VAA==",
  "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":"2026-08-05T19:47:22Z","hash":"59dff1acad714766dccf1e111fd9804d8a72f4a41a1c0361ed41a5d6970e5db1","paging_token":"274084145448091648","sequence":63815188}

Entropy Hash

b830167428029fca4bd0f48de60f76f433cdad2903cbad91aa8aff35c8dbd76a

Observation Hash

a1f9ff401c6049f9a00cb506a4a89ab324de62435985b5f93362da6b83b46afd

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: 019fd377-63df-7d3e-9a09-aec08cfe5bcb

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, 7:47 PM UTC

Ledger sequence 63815188

Truestamp Capture Time

Aug 5, 2026, 7:47 PM UTC

Real-time capture via streaming

Time Difference (Clock Delta)

3 seconds

Source timestamp was 3 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)

a1f9ff401c6049f9a00cb506a4a89ab324de62435985b5f93362da6b83b46afd

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

MC8+6csAeUc9Zn+EDvYGpksWbWThSpLYnBL3GeP3ndx/5USf7a81be5piuBflCcoT/7HQiWPp6kaPQkAlN8VAA==

Verify Signature Manually

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