Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd305-8d15-7ea5-bfc0-89b8e1575f14
Capture Method: Streaming
Captured At: Aug 5, 2026, 5:43 PM UTC

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

{
  "block_id": "019fd306-676c-7413-840c-e8d7f55372fd",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T17:43:00Z",
    "hash": "1fb2eba0d62123a51e7e20cb7509d1b10858aa26f7ae7eff9718554f66220309",
    "paging_token": "274078463206359040",
    "sequence": 63813865
  },
  "entropy_hash": "1865fb21cbf32689ba0d04bc1eb33c24a3599bc5cbb7ccb28d6153e7b665eac3",
  "id": "019fd305-8d15-7ea5-bfc0-89b8e1575f14",
  "inserted_at": "2026-08-05T17:43:04.213952Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "b6379b3cf7a38c8869a97dd89abf2ae7d03b8a571161bf31ebe5168823e34be4",
  "signature": "wObWZkxPzpqWmRw8plsAkrp4HH5Ykm6tlpRSJ9rmwMwS38ULi8BnfW6+8JijVYE0nt1QGLYS8dJOTXwzZMm/CA==",
  "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":"2026-08-05T17:43:00Z","hash":"1fb2eba0d62123a51e7e20cb7509d1b10858aa26f7ae7eff9718554f66220309","paging_token":"274078463206359040","sequence":63813865}

Entropy Hash

1865fb21cbf32689ba0d04bc1eb33c24a3599bc5cbb7ccb28d6153e7b665eac3

Observation Hash

b6379b3cf7a38c8869a97dd89abf2ae7d03b8a571161bf31ebe5168823e34be4

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: 019fd305-8d15-7ea5-bfc0-89b8e1575f14

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, 5:43 PM UTC

Ledger sequence 63813865

Truestamp Capture Time

Aug 5, 2026, 5:43 PM UTC

Real-time capture via streaming

Time Difference (Clock Delta)

5 seconds

Source timestamp was 5 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)

b6379b3cf7a38c8869a97dd89abf2ae7d03b8a571161bf31ebe5168823e34be4

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

wObWZkxPzpqWmRw8plsAkrp4HH5Ykm6tlpRSJ9rmwMwS38ULi8BnfW6+8JijVYE0nt1QGLYS8dJOTXwzZMm/CA==

Verify Signature Manually

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