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 ₱389.8M contract to MAC BUILDERSNational agencies

Transaction hash:

1a7cf6cb217553e82cf871cf630bce22e01049e4b43e2a6a59979d7ace11eb05

Status:

Included and unchanged

Block:

#3,978 2,035 blocks after it

Position in block:

Transaction 54 of 561

Award day:

Dec 27, 2019 (6 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MAIN

To:

MAC BUILDERS

Value:

₱389,797,364.13

Project:

19Z00039

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 #3,978 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 MAC BUILDERS on 2019-12-27.
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 1a7cf6cb21…11eb05now …
2. Block Merkle root changed
stored 270002a591…effd69now …
3. Block #3978 hash changed
stored 5a5bf4f503…929914now …

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

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 560 records. Each step hashes the current value together with the sibling shown.

leaf 1a7cf6cb217553e82cf871cf630bce22e01049e4b43e2a6a59979d7ace11eb05
01 R 1a90eafb9da8a2b157a425344b6fa727e52a8d9c387720bdd32ef71a1b2b9734
02 L 97644666b175a01994f3bd464a1c1afe3012d62da1669f77242206cb55cc5499
03 L 07bd2927f5d3c14ab6a16f60112967a62a95c8ac889f6668c852adc18e7757a5
04 R 2bb4fed5c4d06e7ff794cfa5cdd913d669911e36fb614e3ac8b5c12c16825726
05 L ae13c7717a8f1b99538b0512d1de50720b475bfdcf3572a5834dc2626a5479ca
06 L fbbc6d37c03127c9e10a8d4e85ffb9ee2447c0f40c4e8860bb1d347f50a0cce8
07 R fabe201b1a870821cd873c98c6dacd30b7e5b29547c67c150ff506ac35bd95aa
08 R 4c17d34e58382f6365a036d2c5dcbe26c2ae75009e1172398a14e01689a7cbac
09 R 4be1830155d29c7012a3987ac0928f052607f3d01740ac0b443783ab2a8f72c8
10 R c91bfc952158b1ccb32477d10d3565a8171bdde07789ac9575d2c5cb2ef03790
root 270002a591ed413104a03c8b8ab05489f076cdafadedd1ef5d8ed9dfeaeffd69