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
1890947
Beacon Timestamp
2026-08-05T15:16:00.000Z
Output Value
188F2BE221F9095F083B2A8EEBBC1527FB89722BB49D3866E1F2FE901BF8764D3939A9AF56493E6BAD6D410B856DF1849A06AF588A818DFDC94C3664F2CC1FA7
Capture Method
HTTP Polling
Captured At
Aug 5, 2026, 3:19 PM UTC
Entropy Data
{
  "pulse": {
    "chainIndex": 2,
    "outputValue": "188F2BE221F9095F083B2A8EEBBC1527FB89722BB49D3866E1F2FE901BF8764D3939A9AF56493E6BAD6D410B856DF1849A06AF588A818DFDC94C3664F2CC1FA7",
    "pulseIndex": 1890947,
    "timeStamp": "2026-08-05T15:16:00.000Z",
    "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 5, 2026 3:15 PM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 3:19 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 2026-08-05T15:20:00Z, inserted_at 2026-08-05T15:19:57Z, stellar_commit 2026-08-05T15:20:05Z
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
e4aec795b8db23b8a06468bbe16809572a6779b9d907e9bbfb0a7c2e7e414621
Epoch Merkle Proof
depth 3 · R/R/L
Show Merkle path
  1. R d37300dc2c6e038a83ee197ca0e181a77f6875afd9f537d31ca4995876481319
  2. R 3af5290a630909c56594370a5d53f1fad8231179978bedb08410b348475c0176
  3. L da7b8b2ce5850599b643b18a02bd78605d0f244d7c1c78bf3ed267bcf17a025b
Epoch Merkle Root
7e2110da26c880bc5a92c82d97ed174e42366219aee66353ca2ab963b438b3ad
On-Chain Transaction
Ledger: 63812345
On-chain time: 2026-08-05T15:20:05Z
MEMO_HASH: 7e2110da26c880bc5a92c82d97ed174e42366219aee66353ca2ab963b438b3ad

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