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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO Award a ₱2.9M contract to ROWIE'S CONSTRUCTIONNational agencies

Transaction hash:

a2a113146cd21b8efcddf16f3a544b94570c3186bb7be23960f1b662f523cde7

Status:

Included and unchanged

Block:

#2,905 3,108 blocks after it

Position in block:

Transaction 105 of 169

Award day:

Nov 14, 2016 (9 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO

To:

ROWIE'S CONSTRUCTION

Value:

₱2,880,675.22

Project:

CONSTRUCTION OF 1 UNIT SENIOR HIGH SCHOOL UNIQUE W

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO

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 #2,905 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
DPWH lists the funding source as "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO awarded it to ROWIE'S CONSTRUCTION on 2016-11-14.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16NG0057: Completed, 100% physical progress.
Found
Open
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
DPWH marks the contract "Completed" (end 2017-06-30). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored a2a113146c…23cde7now …
2. Block Merkle root changed
stored 5c2e1631bc…4c01c4now …
3. Block #2905 hash changed
stored 8a1dca921b…f80e2cnow …

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 168 records. Each step hashes the current value together with the sibling shown.

leaf a2a113146cd21b8efcddf16f3a544b94570c3186bb7be23960f1b662f523cde7
01 L 9ea4bd2ab0a7489c8251c075feac2fa0c30b7749db21aacd5ea60b57f6ae5944
02 R fabb0401dc83303e0779df9312ee9cbe9b0ca2bf12463065cebf283af54a2061
03 R 464e1fe931686d028decd271e9bb73bc4b3123361004f3cbc07782442ba08dd6
04 L 7d7a375b48064a8f8df226bb280eeb946cfbca85f392f9456b3fdbe742dfddd4
05 R 154effd39255a820c419675c14c1520cf2bface546173cb7aec41d5fde49505d
06 L 4950cc1d0f196940e8b9e3c52bd90712fb931f4ca39350b7cb42d91d2077324b
07 L f3c51c3571532f60ceca7818c32aa306803abbaef0bf8a8986b94d674ae82e3e
08 R 4cc369e3c9c3b9555585afff6d7afa5fa4e43b2cbd119c0326816c86a2585d2f
root 5c2e1631bc9003a61c85c5741fc1a3ab26d5134d66afba693deb77986a4c01c4