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 - LDN 1ST DEO Award a ₱1.9M contract to AMMAR CONSTRUCTION AND ENTERPRISESNational agencies

Transaction hash:

afec58b16187aac4e5071bbb80fdb26874f26e76dd92b886e2ff2aec6e99c7c5

Status:

Included and unchanged

Block:

#2,152 3,861 blocks after it

Position in block:

Transaction 63 of 96

Award day:

Aug 11, 2014 (12 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LDN 1ST DEO

To:

AMMAR CONSTRUCTION AND ENTERPRISES

Value:

₱1,869,524.14

Project:

14KG0029(Re-Bid2)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LDN 1ST 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 #2,152 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 - LDN 1ST DEO awarded it to AMMAR CONSTRUCTION AND ENTERPRISES on 2014-08-11.
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 afec58b161…99c7c5now …
2. Block Merkle root changed
stored ec9f262810…a7d34cnow …
3. Block #2152 hash changed
stored 9ff79a93cb…afa826now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 95 records. Each step hashes the current value together with the sibling shown.

leaf afec58b16187aac4e5071bbb80fdb26874f26e76dd92b886e2ff2aec6e99c7c5
01 L ac50d1f6dc994c35f52d9d2a3cce6dc3832ab73c8f1186494825298b10658ea7
02 L f84bb83f9887e9b516a5e4e88c1b1e048c19506692ce32d94d841fac91dc86ba
03 L d7050c7487d8f616009dfea081d2e3708748dd5f6e9d55aa5c7b318ea2a7c27b
04 L 53b7d28cd446320a793adaa9f11db5e45dfa117e1a736cc4b412974ae3a547fd
05 L cf7f7130fcab154880b1d192dfc185cc637893bd4a70b5d0e161b665a65931a9
06 L e5f18314f04f4f9ab78608c2ff5532e269d2ecf6b1042eaee5eae0087297cefb
07 R bad21ddcea523d88677650f7ec72e2a6580faaa2ed5eb540393e2d8404497b9c
root ec9f26281019e5c67cc7484da7e34fdec60ce16b1555ddb4c2ab14d1b5a7d34c