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
63805187
Closed At
2026-08-05T04:09:31Z
Ledger Hash
2863af5fb3f513848bf7c9d248b59140620c28008553610faa3d722927dd9f49
Capture Method
Server-Sent Events
Captured At
Aug 5, 2026, 4:09 AM UTC
Entropy Data
{
  "closed_at": "2026-08-05T04:09:31Z",
  "hash": "2863af5fb3f513848bf7c9d248b59140620c28008553610faa3d722927dd9f49",
  "paging_token": "274041191480164352",
  "sequence": 63805187
}

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 12 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 4:04 AM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 4:09 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 2026-08-05T04:10:00Z, inserted_at 2026-08-05T04:09:36Z, stellar_commit 2026-08-05T04:10:04Z
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
9acddcb69177107ffb29499caf1e2de1ead93f4ed6f8c4ecb1d445784148cb47
Epoch Merkle Proof
depth 3 · R/R/L
Show Merkle path
  1. R d37300dc2c6e038a83ee197ca0e181a77f6875afd9f537d31ca4995876481319
  2. R 3af5290a630909c56594370a5d53f1fad8231179978bedb08410b348475c0176
  3. L eb691b63e649f3af138f9841e20ebc29893763212200fff1ebc8489d15b80157
Epoch Merkle Root
544fb8d5b15d1d31bc817abf625303e0bfc878fdb751a71edc42142deb333fa9
On-Chain Transaction
Ledger: 63805193
On-chain time: 2026-08-05T04:10:04Z
MEMO_HASH: 544fb8d5b15d1d31bc817abf625303e0bfc878fdb751a71edc42142deb333fa9

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