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 - REGION II Award a ₱52.2M contract to W.D. NAVARRO CONSTRUCTION CO.National agencies

Transaction hash:

9602ddc52d2dc450bbc53e416f253a698dc67827a05cd458b104209271aa916a

Status:

Included and unchanged

Block:

#2,033 3,980 blocks after it

Position in block:

Transaction 44 of 71

Award day:

Mar 25, 2014 (12 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

To:

W.D. NAVARRO CONSTRUCTION CO.

Value:

₱52,161,065.52

Project:

13B00028, Widening/Improvement of Access Road Lea

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

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 #2,033 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 - REGION II awarded it to W.D. NAVARRO CONSTRUCTION CO. on 2014-03-25.
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 9602ddc52d…aa916anow …
2. Block Merkle root changed
stored dcfd564d0e…454f74now …
3. Block #2033 hash changed
stored 8a6792b938…97f949now …

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

leaf 9602ddc52d2dc450bbc53e416f253a698dc67827a05cd458b104209271aa916a
01 R 972a5eae458bf54c15273d50ce568be8900afd23b1858d0eb8e910b23a08c674
02 R 0d55ec3177beb5f44c927d3c06e1a21fa1ce2e41c4afaa6b9aeb515bedde6397
03 L e6ee1dd2b9cf2b200c32901f689efe18ad1ddc91c15211f02be99ad5afa9503d
04 L a4f0ae6f84e2eb69405316079dd6c13814e0ed5c388d4982078b0d3f784788f4
05 R 52ae09a5a668a3790a1563b6b11465b4c0f733b6497dd56d6640a4c811fa20b6
06 L e7f1d5994c1fc2765f0cbedc91f1f298aa75090cdf9c6f6f906bd857e0ff5d68
07 R 86b18f10de8b51df0ae2aa2c72e710866967dacd2a0c6605650d1b0937e0a829
root dcfd564d0eef288b81264d8b72ddc63f4c4fb97e2beb6d6297228588fd454f74