Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd45c-f53e-74dc-95e2-73321a686322
Capture Method: Streaming
Captured At: Aug 5, 2026, 11:58 PM UTC

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

{
  "block_id": "019fd45d-ba05-764b-bb5e-08261fc3b85a",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T23:58:05Z",
    "hash": "687c4f95d7444d128bef0453827e6dba3b926a68fe9e1e673cf8d1f4a6e74cdb",
    "paging_token": "274095660255412224",
    "sequence": 63817869
  },
  "entropy_hash": "cec3d374e70779665fd17d67a2d2edf5deafbc2c66cd112def5420a09bc747d1",
  "id": "019fd45c-f53e-74dc-95e2-73321a686322",
  "inserted_at": "2026-08-05T23:58:09.726341Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "0663fd265dfd847607f675ce09c6bcd6e53f921b4a7e58b9bdad2f5bc391c45e",
  "signature": "A/SJkwF07T9CpRb9lzS1lq/irI76R1VNHIvZs8MyryG4D1KIl3lQrJ0dEOzPNEU1ognpUqLBqiyaHFkcno0EDg==",
  "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":"2026-08-05T23:58:05Z","hash":"687c4f95d7444d128bef0453827e6dba3b926a68fe9e1e673cf8d1f4a6e74cdb","paging_token":"274095660255412224","sequence":63817869}

Entropy Hash

cec3d374e70779665fd17d67a2d2edf5deafbc2c66cd112def5420a09bc747d1

Observation Hash

0663fd265dfd847607f675ce09c6bcd6e53f921b4a7e58b9bdad2f5bc391c45e

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: 019fd45c-f53e-74dc-95e2-73321a686322

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, 11:58 PM UTC

Ledger sequence 63817869

Truestamp Capture Time

Aug 5, 2026, 11:58 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)

0663fd265dfd847607f675ce09c6bcd6e53f921b4a7e58b9bdad2f5bc391c45e

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

A/SJkwF07T9CpRb9lzS1lq/irI76R1VNHIvZs8MyryG4D1KIl3lQrJ0dEOzPNEU1ognpUqLBqiyaHFkcno0EDg==

Verify Signature Manually

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