Entropy Verification

All cryptographic checks passed within the Truestamp blockchain.

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Stellar Ledger

Raw entropy captured from the external source

Ledger Sequence
63813286
Closed At
2026-08-05T16:48:26Z
Ledger Hash
d3b2e786be363b18880bb9cd99131ff27696164ad2c14ee688978c9a3827035b
Capture Method
Server-Sent Events
Captured At
Aug 5, 2026, 4:48 PM UTC
Entropy Data
{
  "closed_at": "2026-08-05T16:48:26Z",
  "hash": "d3b2e786be363b18880bb9cd99131ff27696164ad2c14ee688978c9a3827035b",
  "paging_token": "274075976420294656",
  "sequence": 63813286
}

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 2 m 10 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 4:44 PM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 4:48 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 2026-08-05T16:49:00Z, inserted_at 2026-08-05T16:48:32Z, stellar_commit 2026-08-05T16:50:01Z
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
0939c13eca9497be0fa5ce7b3d84e7c243f1cc90662e129e9ba7d186ad02ec5d
Epoch Merkle Proof
depth 3 · L/L/R
Show Merkle path
  1. L 4eb3fad9e5e9fc238be15da30385e46ce316543a9fa9edfc3edd70a090190ac1
  2. L ce963391424046f49aec8a190bd37547ffb676d6a71db2b41c11b99428c1de15
  3. R be1323fb230c05af2364d3155fd5da2a3c0a75d2db067305bb1b4cfbb6f9928e
Epoch Merkle Root
072a049172c0837696685a666bb073538b0ed6c5dc670a070e63a4dfeaca3da0
On-Chain Transaction
Ledger: 63813303
On-chain time: 2026-08-05T16:50:01Z
MEMO_HASH: 072a049172c0837696685a666bb073538b0ed6c5dc670a070e63a4dfeaca3da0

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