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 - MAIN Award a ₱148.0M contract to YAKAL CONSTRUCTIONNational agencies

Transaction hash:

3e52b61a2f26dd90f1ca5636e4ecce8d3e7d0b38f28defe75fe89cee995237e4

Status:

Included and unchanged

Block:

#1,767 4,246 blocks after it

Position in block:

Transaction 16 of 63

Award day:

May 30, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MAIN

To:

YAKAL CONSTRUCTION

Value:

₱148,002,902.12

Project:

12Z00103

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MAIN

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 #1,767 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 - MAIN awarded it to YAKAL CONSTRUCTION on 2013-05-30.
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 3e52b61a2f…5237e4now …
2. Block Merkle root changed
stored 73fdc38e52…83c2cbnow …
3. Block #1767 hash changed
stored 068e5b2e14…c407cbnow …

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

leaf 3e52b61a2f26dd90f1ca5636e4ecce8d3e7d0b38f28defe75fe89cee995237e4
01 R 427f88b2f957d8f98b7c7ea1bef7b483528106100789b176b49986f155ed4da7
02 R a6bbc8f285ac2973952d8a65ec5bfc75fdea1f4a81752716891b17f37dc643c6
03 R fa43a8b4ea39181d573c0c284a931b7d466e35a6f57ee4b2aa318b3f5243523e
04 R c48bb58e69a9da1d79e74d0f829cc8f8aa4499921aad99ff29635e420787417c
05 L dd5f8ca73e879d4944b8f1426389a57f043c8062052c578c43f7069f100f9e8a
06 R 7e1dd60cf2e482cb3b7a4c66a5122f047755661bb81de45894ae995a5da07c1a
root 73fdc38e52c8cb6071acd4caf3753321519c8a23feeed3f8ed7f87568383c2cb