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
1890527
Beacon Timestamp
2026-08-05T08:16:00.000Z
Output Value
E57A54E4D91DCCAD53FE37CC980A75EA9B8629B6EAA14C48F5AF49E143CFEE6B53010F97BFC4A9FA66AAB20E88926AB8A3F8960B3CF2321727A73CAC3B6C2ECD
Capture Method
HTTP Polling
Captured At
Aug 5, 2026, 8:20 AM UTC
Entropy Data
{
  "pulse": {
    "chainIndex": 2,
    "outputValue": "E57A54E4D91DCCAD53FE37CC980A75EA9B8629B6EAA14C48F5AF49E143CFEE6B53010F97BFC4A9FA66AAB20E88926AB8A3F8960B3CF2321727A73CAC3B6C2ECD",
    "pulseIndex": 1890527,
    "timeStamp": "2026-08-05T08:16:00.000Z",
    "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 5 m 9 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 8:15 AM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 8:20 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 2026-08-05T08:21:00Z, inserted_at 2026-08-05T08:20:06Z, stellar_commit 2026-08-05T08:25:04Z
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
9551a879440104dcf8031401e13d6c978f0f89aa5322a858dfccf8b081884b0e
Epoch Merkle Proof
depth 3 · R/R/R
Show Merkle path
  1. R ec1d877955bf7be224510f0bddf370646ddc970435aa3fa2184b042e35d0bc5a
  2. R 96cc7e71fff1cf0bd13313c153d4edacbdeb9f49d577e53c89be2156bc439ea3
  3. R 98b367812e3b66dcafea127145c6a6e8e8f8133944d04f80ff5434b3e9457855
Epoch Merkle Root
cf6cacff9df8d0c316c8e426f8b44f7efd3f2f8770eab2ecba4bc2a14243b43c
On-Chain Transaction
Ledger: 63807916
On-chain time: 2026-08-05T08:25:04Z
MEMO_HASH: cf6cacff9df8d0c316c8e426f8b44f7efd3f2f8770eab2ecba4bc2a14243b43c

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