Entropy

Stellar Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID: 019fd169-8037-788a-8787-0fb80979ab49
Capture Method: Streaming
Captured At: Aug 5, 2026, 10:13 AM UTC

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

{
  "block_id": "019fd169-8062-7b87-82f8-f02f1386a819",
  "capture_method": "http_sse",
  "entropy": {
    "closed_at": "2026-08-05T10:12:57Z",
    "hash": "02564853e49a97e28bbf2a8e3c4611d765d9ebb8ed039d488fdbfd73dbbdcdca",
    "paging_token": "274057860248240128",
    "sequence": 63809068
  },
  "entropy_hash": "822b1184b35e2c3f0bbfafcbea41414527cd5a0d8d9fbe3d7dcdf14df28d84f2",
  "id": "019fd169-8037-788a-8787-0fb80979ab49",
  "inserted_at": "2026-08-05T10:13:00.087575Z",
  "metadata": {},
  "metadata_hash": "5dd81d4309de99c9f8e70822e760f0eece8c33370ff5fb5da3af75bab0cbaab8",
  "observation_hash": "8ed39984e65fb98a8b8863e8bade4721b9a5cff244948ab0b1c53db69b3efac0",
  "signature": "ul2neRVQ76cVf7u5WnKJ/TXUZLY5OFs7TQ0aazrNIiMJwVoel3ngKOrQwWUSJ+2COraHdrAF5e1iKKiYBZl7Cw==",
  "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":"2026-08-05T10:12:57Z","hash":"02564853e49a97e28bbf2a8e3c4611d765d9ebb8ed039d488fdbfd73dbbdcdca","paging_token":"274057860248240128","sequence":63809068}

Entropy Hash

822b1184b35e2c3f0bbfafcbea41414527cd5a0d8d9fbe3d7dcdf14df28d84f2

Observation Hash

8ed39984e65fb98a8b8863e8bade4721b9a5cff244948ab0b1c53db69b3efac0

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: 019fd169-8037-788a-8787-0fb80979ab49

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, 10:12 AM UTC

Ledger sequence 63809068

Truestamp Capture Time

Aug 5, 2026, 10:13 AM UTC

Real-time capture via streaming

Time Difference (Clock Delta)

4 seconds

Source timestamp was 4 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)

8ed39984e65fb98a8b8863e8bade4721b9a5cff244948ab0b1c53db69b3efac0

Public Key (Base64 encoded)

1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=

Signature (Base64 encoded)

ul2neRVQ76cVf7u5WnKJ/TXUZLY5OFs7TQ0aazrNIiMJwVoel3ngKOrQwWUSJ+2COraHdrAF5e1iKKiYBZl7Cw==

Verify Signature Manually

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