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 - CATANDUANES ED Award a ₱4.2M contract to NQA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

a1f3b97f2801d243cd4c433689dd209ad8d3c22f3188ba7d3cddccb72b2580f2

Status:

Included and unchanged

Block:

#1,450 4,563 blocks after it

Position in block:

Transaction 66 of 103

Award day:

May 11, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

To:

NQA CONSTRUCTION AND SUPPLY

Value:

₱4,184,000.00

Project:

ROAD UPGRADING (GRAVEL TO PAVED) BASED ON GRAVEL ROAD STRATEGIES, TRAFFIC BENCHMARK FOR UPGRADING TO PAVED ROAD STANDARD (HDM-4 PROJECT ANALYSIS), CATANDUANES CIRCUMFERENTIAL ROAD, BANQUEROHAN SECTION

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES 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 #1,450 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 - CATANDUANES ED awarded it to NQA CONSTRUCTION AND SUPPLY on 2012-05-11.
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 a1f3b97f28…2580f2now …
2. Block Merkle root changed
stored 583920551e…a8a5f9now …
3. Block #1450 hash changed
stored 10d45f753c…95c357now …

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

leaf a1f3b97f2801d243cd4c433689dd209ad8d3c22f3188ba7d3cddccb72b2580f2
01 R a44bf2566fb60798179c8c1ce804ab3da4e15b76eaebf01676f672bdca897b44
02 L 561df2a4b7ec5145ca26b8df7fc18770eb75c86f2e05c8fbb522964d1a226406
03 R 4cc8906d44e8de2ed48e3c7dc16ea7e10542bb0a12d526568bb6cad759659077
04 R 7a829aa91cf2ab74d851ccdfbec799962f9dbb01d3ec813c7c4214ebe99c879a
05 R 72653f2eff60ce5ba867d66a215a0ef2bf825e5d6d4c84f516d92bedeca82338
06 R 214aa6b60ac72b058aa6e71ba4b872e292a85d76763da4bca4bfd067cd24240c
07 L cac8c0bb4c9787b1300fda7231c4a17e8a2acb2037d7206658abbdfbd5dc5b2b
root 583920551eff2860f439c3195cc65f8ca807a67583bc53fd1ece50267ca8a5f9