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
1890910
Beacon Timestamp
2026-08-05T14:39:00.000Z
Output Value
19BCDCB42E9C27CDF2190294C1ACBCFAE57329D3CDB63A3DEEDA520B7133F4BEE0165C59B3913ACCD16FF51D0FF2A502563FFD2AB3D583C7995426A7A0BE29C4
Capture Method
HTTP Polling
Captured At
Aug 5, 2026, 2:43 PM UTC
Entropy Data
{
  "pulse": {
    "chainIndex": 2,
    "outputValue": "19BCDCB42E9C27CDF2190294C1ACBCFAE57329D3CDB63A3DEEDA520B7133F4BEE0165C59B3913ACCD16FF51D0FF2A502563FFD2AB3D583C7995426A7A0BE29C4",
    "pulseIndex": 1890910,
    "timeStamp": "2026-08-05T14:39:00.000Z",
    "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 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 2:38 PM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 2:43 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 2026-08-05T14:44:00Z, inserted_at 2026-08-05T14:43:04Z, stellar_commit 2026-08-05T14:45:03Z
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
db9b175c9cc8e5dcb11ba999d4eeed661611612c4a17130e4026aef9a80e1822
Epoch Merkle Proof
depth 3 · L/L/R
Show Merkle path
  1. L 0e567e9f8969d4a30e07a72dc1a05b568c04ea658219ae13d68bfe40d6ccf868
  2. L 1604ad7a1603ae1730772569a864c6e778399ce807107da29b2049e7ba90d222
  3. R a30ef1f264881bbf8d697d4119ece150f2618f4c4fbbe4a09d2b64539e2a03b7
Epoch Merkle Root
790a5172107aecd0c4aa8c34a8b73579013666bcc09de22477ab69eaeee75a52
On-Chain Transaction
Ledger: 63811972
On-chain time: 2026-08-05T14:45:03Z
MEMO_HASH: 790a5172107aecd0c4aa8c34a8b73579013666bcc09de22477ab69eaeee75a52

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