Entropy Verification

All cryptographic checks passed within the Truestamp blockchain.

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NIST Beacon

Raw entropy captured from the external source

Pulse Index
1891742
Beacon Timestamp
2026-08-06T04:31:00.000Z
Output Value
D76DFA857F97C5E478DE55FCE71A585EA8BD8FA9F8C927B694BED17392939FB8EF7BCFE1AB4353F2C5DFA764C096AF92B4C10989E9D2BB61B7BD2C4554011475
Capture Method
HTTP Polling
Captured At
Aug 6, 2026, 4:34 AM UTC
Entropy Data
{
  "pulse": {
    "chainIndex": 2,
    "outputValue": "D76DFA857F97C5E478DE55FCE71A585EA8BD8FA9F8C927B694BED17392939FB8EF7BCFE1AB4353F2C5DFA764C096AF92B4C10989E9D2BB61B7BD2C4554011475",
    "pulseIndex": 1891742,
    "timeStamp": "2026-08-06T04:31:00.000Z",
    "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 1 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 6, 2026 4:30 AM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 6, 2026 4:34 AM 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 2026-08-06T04:35:00Z, inserted_at 2026-08-06T04:34:59Z, stellar_commit 2026-08-06T04:35:07Z
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
434c4a1754ee8b9a0dc6a187eba74222a0e5bd35706ada27485048e2d8f6c65e
Epoch Merkle Proof
depth 3 · L/R/L
Show Merkle path
  1. L 8c1d2a08e499a98f8103baf265d67addcd2b345cc4c6bb89da1caa79b0b8905c
  2. R 3af5290a630909c56594370a5d53f1fad8231179978bedb08410b348475c0176
  3. L b16c77eec19b57244e584b8a9e6f974e579f75000f61bd170c7b8cb01fe33cbe
Epoch Merkle Root
68df646a3dd402c5701914cf90dbfebbf698afd7984a09c945fe51cdf906c8fe
On-Chain Transaction
Ledger: 63820827
On-chain time: 2026-08-06T04:35:07Z
MEMO_HASH: 68df646a3dd402c5701914cf90dbfebbf698afd7984a09c945fe51cdf906c8fe

Proof Chain

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

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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