Entropy Verification

All cryptographic checks passed within the Truestamp blockchain.

Return to Entropy

NIST Beacon

Raw entropy captured from the external source

Pulse Index
1890933
Beacon Timestamp
2026-08-05T15:02:00.000Z
Output Value
5B016399621505EB099F8F50DE241DDAB0330A51C30B98CBCF8AA06F9C9E06413B0B3DAD3934A078D9349033683754BF1C997456219F397485F1E55E0DBA70AD
Capture Method
HTTP Polling
Captured At
Aug 5, 2026, 3:05 PM UTC
Entropy Data
{
  "pulse": {
    "chainIndex": 2,
    "outputValue": "5B016399621505EB099F8F50DE241DDAB0330A51C30B98CBCF8AA06F9C9E06413B0B3DAD3934A078D9349033683754BF1C997456219F397485F1E55E0DBA70AD",
    "pulseIndex": 1890933,
    "timeStamp": "2026-08-05T15:02:00.000Z",
    "version": "2.0"
  }
}

Submission Window

Each layer places this entropy observation between a submitted-after edge and a submitted-before edge. Only the submitted-before edge is grounded outside Truestamp, by a public-chain commitment transaction. The submitted-after edge is asserted by Truestamp's own block ordering and is not established by this proof. A witness Truestamp writes no commitment to, such as the NIST Beacon, can speak only to the submitted-after edge and so forms no window of its own.

Truestamp blocks
Truestamp-asserted window of 59 s

Both edges are read from Truestamp's own block clock. Neither is confirmed by an outside witness.

Stellar
Bounded to a 5 m 14 s window

The submitted-before edge comes from the Stellar commitment transaction. The submitted-after edge is asserted by Truestamp's block ordering, not by Stellar.

Bitcoin

The submitted-before edge comes from the Bitcoin commitment transaction. The submitted-after edge is asserted by Truestamp's block ordering, not by Bitcoin.

NIST Beacon
Submitted after
NIST Pulse
Aug 5, 2026 3:00 PM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 3:05 PM UTC
Submitted before
No NIST Commitment
Not witnessed
Truestamp writes no commitment to the NIST Beacon

The NIST Randomness Beacon is a signed public beacon, not a chain Truestamp commits to, so it can witness only the submitted-after edge. The pulse value is independently checkable in NIST's public records; its ordering against this subject is asserted by Truestamp's block ordering.

Verification

Pending

Verification status is being determined.

Internal Integrity
All 9 checks passed inside the Truestamp blockchain.
Show technical breakdown
Timing
committed_at 2026-08-05T15:06:00Z, inserted_at 2026-08-05T15:05:57Z, stellar_commit 2026-08-05T15:10:08Z
Blockchain
External Stellar verification skipped
External entropy source verification skipped
Public-Chain Verification
Stellar Public Pending

Queued to verify against Stellar.

Show technical details
Block Hash
a9a5beef0095b9d59c5850b78657bd5a290491178f38cb1d080b7e1c2a938bbc
Epoch Merkle Proof
depth 3 · R/R/R
Show Merkle path
  1. R 110f5a7539fd1e4d3777786f02b4a47e20fc3e557712b81ccecf7c0dcc6db575
  2. R 94f666a37687ff451c35b4e4eab729727509195dd5c13b4d5845491a17e100bc
  3. R fd2f321fb421c6b8356f7f4c86db27d4fec72c5c66a252d0297736320271435e
Epoch Merkle Root
26eea0de7bce604afb99f1dcacc05a78cf528c730a05752855c6a27f04eea9b3
On-Chain Transaction
Ledger: 63812239
On-chain time: 2026-08-05T15:10:08Z
MEMO_HASH: 26eea0de7bce604afb99f1dcacc05a78cf528c730a05752855c6a27f04eea9b3

Proof Chain

Interactive visualization of the cryptographic proof path from your data to public blockchains. Tap any node for details.

Drag to pan Use buttons to zoom Tap a node to inspect

Proof

This self-contained proof has everything needed to independently verify this entropy observation, with no connection to Truestamp required. Verify it offline anytime using the open-source Truestamp CLI.

Protect Your Data With Cryptographic Proof

Prove when your files, documents, or data existed with permanent, tamper-proof records anyone can independently verify.

SHA-256 + Ed25519
Industry-standard cryptography
Merkle Tree Proofs
Efficient verification at any scale
Stellar & Bitcoin
Public blockchain commitments