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 - QUEZON CITY 1ST ED Award a ₱3.7M contract to D.R. ROBLES CONSTRUCTIONNational agencies

Transaction hash:

3cf10f9fb2fa3431cbd7ef68e969fc53b9ac1443c94b239702f46894286e402c

Status:

Included and unchanged

Block:

#1,549 4,464 blocks after it

Position in block:

Transaction 12 of 59

Award day:

Sep 3, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

D.R. ROBLES CONSTRUCTION

Value:

₱3,730,682.38

Project:

Repair/Rehab. of D. Tuazon E/S, Repair/Rehab. Of Bago Bantay E/S and Repair/Rehab. of San Francisco H/S, Q.C

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

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 #1,549 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 - QUEZON CITY 1ST ED awarded it to D.R. ROBLES CONSTRUCTION on 2012-09-03.
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 3cf10f9fb2…6e402cnow …
2. Block Merkle root changed
stored ab62ed3840…32a7fdnow …
3. Block #1549 hash changed
stored 563c73fd65…e688eenow …

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

leaf 3cf10f9fb2fa3431cbd7ef68e969fc53b9ac1443c94b239702f46894286e402c
01 R 3ea8b6aa088ba11347fed27ef821c52da21e63ba9e96b7d408643c37da2d9257
02 R 39776b12dee847866382bcd81ea3eb9d22a0b5031d77418391ab1d6d0c31fd0e
03 L a99ddead23e8a9133c3ed9e801ffd50a0929a03e85d667b723b3e5680a04cec9
04 L 86d2e877deefa7a5637bbc8c163d4bc8b71e05a36039c2c70f0f47b0bd4a5255
05 R c1ba5b292146deaa517fa54dcfcc34fb0dab55931be5d8e385a28931f18389b2
06 R cd4fef07c67cc587b2cafae7d2748f2271ffe867c7c828e4709cba7b33eb35fb
root ab62ed3840253b76529ff81d6f919d228843fcd62168f181f75d313bb632a7fd