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 - BFED Award a ₱7.3M contract to MAKK BUILDERSNational agencies

Transaction hash:

7a3d8bcd244d306c2d478243f2fc7222f8a813dc2e7824503214f60224b7ea56

Status:

Included and unchanged

Block:

#4,028 1,985 blocks after it

Position in block:

Transaction 133 of 280

Award day:

Feb 18, 2020 (6 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BFED

To:

MAKK BUILDERS

Value:

₱7,331,476.65

Project:

Construction of Concrete Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BFED

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 #4,028 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)
DPWH lists the funding source as "Regular Infra - GAA 2020 CSSP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - BFED awarded it to MAKK BUILDERS on 2020-02-18.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20PE0044: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2020-09-23). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 7a3d8bcd24…b7ea56now …
2. Block Merkle root changed
stored e52abceab0…0b6370now …
3. Block #4028 hash changed
stored b5c844504c…e7d904now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 279 records. Each step hashes the current value together with the sibling shown.

leaf 7a3d8bcd244d306c2d478243f2fc7222f8a813dc2e7824503214f60224b7ea56
01 L 7860ef68ee3ee6bca0be42c3089b928002e56a5826d5bb8fa61971a18127a23b
02 R 6975c083fcbfbad40bf462cb7d310c9a137b1f1a618e2dba6bc802c424e4aea4
03 L d9bc0d491f306a7945286b47e2a313944df8678aca523b7d4ff1accbc2ef7675
04 R ecb3b944c59d3321ba9612730700e80166c06d5e5c85efe82c870efca1fddb98
05 R 5e9f86642eb7ecf85047c000d4a6720b99ba700bb625695eebb08ce41e3954b6
06 R a985e77d94fd9ed7a54caa06265aa115dc47babea2f93969b597c1bb916aa5cf
07 R c8b2ef2a61e3eb95712239b1797f908d56599256cfe9cccd8fa0bbe35208677e
08 L 5566211479110cb0d382ff2dff6ecc112b1a2a2d2f172816d8a2eee5e64f8dca
09 R 32f1741eb92c5409c15e7c652a986f54294a3a3504b7fff8e73aec3682f3c20c
root e52abceab0fd8d82f0fbb8e03c4d03022c78671168386d7af57b0d583c0b6370