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 - BILIRAN ENGINEERIN Award a ₱1.5M contract to ZAS CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

b8cdc0f4fa58ada5ddf47bc6bf22d06b1ba5c2bb21016ce35c12232407bd4bb5

Status:

Included and unchanged

Block:

#1,179 4,834 blocks after it

Position in block:

Transaction 26 of 38

Award day:

Jun 30, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BILIRAN ENGINEERIN

To:

ZAS CONSTRUCTION AND SUPPLY

Value:

₱1,497,614.33

Project:

11IA00016 CLUSTER 1-Concreting of Barangay Roads & Footbridge (1st Tranche CY 2011 VILP Projects)Kawayan & Almeria, Biliran Province

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BILIRAN ENGINEERIN

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 #1,179 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)
The award does not say which budget line pays for it.
Not published
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 - BILIRAN ENGINEERIN awarded it to ZAS CONSTRUCTION AND SUPPLY on 2011-06-30.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA 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

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 b8cdc0f4fa…bd4bb5now …
2. Block Merkle root changed
stored e3463f63a9…79bb1fnow …
3. Block #1179 hash changed
stored 2db8cb1809…3ef06bnow …

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

leaf b8cdc0f4fa58ada5ddf47bc6bf22d06b1ba5c2bb21016ce35c12232407bd4bb5
01 R c11eb0668d029851a9511d7c17833ffe31930bd2969eed06863bda16acd964f6
02 L 0660543539058a0cb6a7055600178ad7614afd53530a6ddbfa2160310953f060
03 R c8533cc2c602200f43781b13b6e1c3a2e9d35b07c7921c29c97eca44b2218be1
04 L ca0bf2da5a234c5046383d352b0b227c639ce2115a3fd62caee634bbd2ecb424
05 L 4441c348af49f4b70393cf9e17a97beaf5404c47487f89244b485ba19e2f851d
06 R dce9b99ec3b6d3a4bb682be990386ce20f155a9fe190a817a37df851f241ffcd
root e3463f63a981e2cebf347d17860f364b4e89ff3e692ffaee8fcb1c0a4b79bb1f