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 - NORTH METRO MANILA Award a ₱2.9M contract to WASSECON CORPORATIONNational agencies

Transaction hash:

b4ff809fb0f8cbc80b264cff98d2a39f91861f19363e26a7fa812959e7ee28ed

Status:

Included and unchanged

Block:

#3,220 2,793 blocks after it

Position in block:

Transaction 43 of 62

Award day:

Oct 16, 2017 (9 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA

To:

WASSECON CORPORATION

Value:

₱2,904,480.77

Project:

Locally Funded Projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA

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 #3,220 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 "Regular Infra - GAA 2017 LFP", i.e. the FY2017 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 - NORTH METRO MANILA awarded it to WASSECON CORPORATION on 2017-10-16.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17OE0158: 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 2018-04-12). 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 b4ff809fb0…ee28ednow …
2. Block Merkle root changed
stored 7b13af9e2b…a2404cnow …
3. Block #3220 hash changed
stored 8c9781d9ef…46e229now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 61 records. Each step hashes the current value together with the sibling shown.

leaf b4ff809fb0f8cbc80b264cff98d2a39f91861f19363e26a7fa812959e7ee28ed
01 L a9b57ff93e4a1c6ff5fa863d7c6f76daaa5835d5c2f7782ebbe62ab0ef11e986
02 L f284b5b4b3dc42844fa0556068c1412daa1c7cc05e149967e841c8571282c5aa
03 R edd84946f29495aa6306bff8a89b7aa52d64400371e509c5a4e584360a741829
04 L 44bb03f047d4e10e50057ee7a11e90334000d6c75552fc4349fae45568fec6b5
05 R 9654d94bdb892a0a3b33357f7fe1bb669edcde8e37e085bda6af6635c5526c0d
06 L afdd1889012a27bf1375afc81641c37b5918bfd778eecef5d20dd002e2998e05
root 7b13af9e2b8404f4c3e98dbeca0f098c30dfecd8c345075567c470a62ba2404c