Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fcf80-63d0-7582-bc31-e5f5c0d4bfa8
Capture Method: Streaming
Captured At: Aug 5, 2026, 1:18 AM UTC

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

{
  "block_id": "019fcf80-9bff-718d-928b-c9e0e3a5f920",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T01:18:39Z",
    "hash": "46ca2b5c19a64f401f609d11b67c413a2f22e830dfe9a8922a3e9bfd27239ce8",
    "paging_token": "274033357459816448",
    "sequence": 63803363
  },
  "entropy_hash": "f65c77bdaa3aea4c9d18a60be1249f10e6ad28f213c9aff3d37fe6c1a2e9c2b7",
  "id": "019fcf80-63d0-7582-bc31-e5f5c0d4bfa8",
  "inserted_at": "2026-08-05T01:18:45.712405Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "8792e7534abd3a59b192550218e63bb2c6b3c5f0eeda72d4e52f163e104785ab",
  "signature": "H9IOo1fzsocSyIaMkMZ5pIn0VVgR7bNMC9MukYgbEdaLhSsxT4bMxYVS6ZkeFJBIADSjZTvBbSAXZQMDE9e6BQ==",
  "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":"2026-08-05T01:18:39Z","hash":"46ca2b5c19a64f401f609d11b67c413a2f22e830dfe9a8922a3e9bfd27239ce8","paging_token":"274033357459816448","sequence":63803363}

Entropy Hash

f65c77bdaa3aea4c9d18a60be1249f10e6ad28f213c9aff3d37fe6c1a2e9c2b7

Observation Hash

8792e7534abd3a59b192550218e63bb2c6b3c5f0eeda72d4e52f163e104785ab

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: 019fcf80-63d0-7582-bc31-e5f5c0d4bfa8

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, 1:18 AM UTC

Ledger sequence 63803363

Truestamp Capture Time

Aug 5, 2026, 1:18 AM 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)

8792e7534abd3a59b192550218e63bb2c6b3c5f0eeda72d4e52f163e104785ab

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

H9IOo1fzsocSyIaMkMZ5pIn0VVgR7bNMC9MukYgbEdaLhSsxT4bMxYVS6ZkeFJBIADSjZTvBbSAXZQMDE9e6BQ==

Verify Signature Manually

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