Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd17a-328c-7e82-9937-931579ce9322
Capture Method: Streaming
Captured At: Aug 5, 2026, 10:31 AM UTC

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

{
  "block_id": "019fd17a-e58b-72bd-982a-898aba4ff69d",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T10:31:10Z",
    "hash": "9bde4d042427c75249456f547056aada9afb20f2154a53d69dfce247d40c9f13",
    "paging_token": "274058693471895552",
    "sequence": 63809262
  },
  "entropy_hash": "df335d3522bdbe861d47b3218bf6e0adc53d2c3111e2e33cdda051040799043f",
  "id": "019fd17a-328c-7e82-9937-931579ce9322",
  "inserted_at": "2026-08-05T10:31:14.316944Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "565fe6e7b54a149812b45a67ad32c3e64fa204ca6161b454690fd92915cc5418",
  "signature": "i8Ab0r3vUPdD6LoylM4t6XBEBTwLy4ADGEHR/AVKOZCKVEB8gEqG7u/EnGXTSy5YQHXpW6uuga2PglFXZ1hNBA==",
  "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":"2026-08-05T10:31:10Z","hash":"9bde4d042427c75249456f547056aada9afb20f2154a53d69dfce247d40c9f13","paging_token":"274058693471895552","sequence":63809262}

Entropy Hash

df335d3522bdbe861d47b3218bf6e0adc53d2c3111e2e33cdda051040799043f

Observation Hash

565fe6e7b54a149812b45a67ad32c3e64fa204ca6161b454690fd92915cc5418

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: 019fd17a-328c-7e82-9937-931579ce9322

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, 10:31 AM UTC

Ledger sequence 63809262

Truestamp Capture Time

Aug 5, 2026, 10:31 AM 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)

565fe6e7b54a149812b45a67ad32c3e64fa204ca6161b454690fd92915cc5418

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

i8Ab0r3vUPdD6LoylM4t6XBEBTwLy4ADGEHR/AVKOZCKVEB8gEqG7u/EnGXTSy5YQHXpW6uuga2PglFXZ1hNBA==

Verify Signature Manually

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