DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 1ST ED Award a ₱7.9M contract to N&N CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
00a4059995e86a82d320e70888db33e6091d99dd05e146aa137220347954cd2f
Status:
Included and unchanged
Block:
#1,841 4,172 blocks after it
Position in block:
Transaction 0 of 179
Award day:
Aug 23, 2013 (13 yrs 2 mo ago)
Value:
₱7,913,789.37
Project:
Drainage & Slope Protection
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,841 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 1ST ED awarded it to N&N CONSTRUCTION CORPORATION on 2013-08-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 00a4059995…54cd2fnow …
- 2. Block Merkle root changedstored 6c88bf3d05…f454aenow …
- 3. Block #1841 hash changedstored e862aba1dd…735ab1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 178 records. Each step hashes the current value together with the sibling shown.
- leaf 00a4059995e86a82d320e70888db33e6091d99dd05e146aa137220347954cd2f
- 01 R 00db077a5d57f1e1334e4259cbfb5120e7909421eabccde861ed6d39ca699301
- 02 R a435c1fe218b49b4cf23b5b2d92d9ca3e79be3ff10b5ff3287ba1b3254a8c453
- 03 R 5836b4811f4fd93fea5e99b3c0eec7c4bd8c19ee39e8c75b3e8af3743e99d08d
- 04 R aff55f5b175b478a2ce1a55debb9cf788ace0d027e0ed922600354ad694fcd83
- 05 R edf380d1acefd2d1225a225b1756612efd97d429569ac5e3b1c8539381c628aa
- 06 R c32dad524e8dabea038326e953556f2e08d595d8fa10738a8c6ac7e2648d288a
- 07 R 0dd436c94a9f44b96b5ce31860f860fb980fdfe795a60165f777e5cec5ddd997
- 08 R 82e0e13095dd0f3b6fde57de7a77c11c40b5b114b659ef1cf92e1011b9c76b7e
- root 6c88bf3d055dfa654c528a9a90e2255e7566a085c2694605b19e640976f454ae