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
63810286
Closed At
2026-08-05T12:07:03Z
Ledger Hash
bbfc58eb8ccff8207b8cfe452271a15e2b001964c532a76123019d0b41260684
Capture Method
Server-Sent Events
Captured At
Aug 5, 2026, 12:07 PM UTC
Entropy Data
{
  "closed_at": "2026-08-05T12:07:03Z",
  "hash": "bbfc58eb8ccff8207b8cfe452271a15e2b001964c532a76123019d0b41260684",
  "paging_token": "274063091518406656",
  "sequence": 63810286
}

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 3 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 12:03 PM UTC
Truestamp-asserted ordering
Captured
Entropy
Aug 5, 2026 12:07 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 2026-08-05T12:08:00Z, inserted_at 2026-08-05T12:07:08Z, stellar_commit 2026-08-05T12:10:03Z
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
bb070d975c96b8f868d356e4f103908781e4ad1649a885756727ab0d1bd4759a
Epoch Merkle Proof
depth 3 · R/L/R
Show Merkle path
  1. R 7d447acecffbbbcb77470967fb7e4667def220ba8643e90123bc78db500f7d7c
  2. L f21bf1e04f86a0d426282a3753154177145064be22eb02b6f07faaaefa0c8daf
  3. R 6e401514d0c2cdd47db88dc92f137f7ed45cc71a18ef938d0c530863baf9df85
Epoch Merkle Root
bb0a4884ea4ef02c2c99574942243c5b9573f993ec2931ceae2a3ca67824e561
On-Chain Transaction
Ledger: 63810318
On-chain time: 2026-08-05T12:10:03Z
MEMO_HASH: bb0a4884ea4ef02c2c99574942243c5b9573f993ec2931ceae2a3ca67824e561

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