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 - BULACAN 1ST DEO Award a ₱17.5M contract to D.L. MAGBITANG BUILDERS INC.National agencies

Transaction hash:

7747e18f7ab2beaab9eeedd85570abfd0328b6a6f9849b0bd6a3c74bca2c2e18

Status:

Included and unchanged

Block:

#3,555 2,458 blocks after it

Position in block:

Transaction 121 of 250

Award day:

Oct 8, 2018 (8 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

D.L. MAGBITANG BUILDERS INC.

Value:

₱17,462,782.98

Project:

Mamerto C. Bernardo Memorial Central School Pandi,

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

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 #3,555 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 "Outside Infra - GAA 2018 DepEd BEFF", i.e. the FY2018 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 - BULACAN 1ST DEO awarded it to D.L. MAGBITANG BUILDERS INC. on 2018-10-08.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18CC0351: 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 2019-04-01). 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 7747e18f7a…2c2e18now …
2. Block Merkle root changed
stored 7a1cd5339f…f09fbfnow …
3. Block #3555 hash changed
stored 917bb8a76e…08c4d4now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 249 records. Each step hashes the current value together with the sibling shown.

leaf 7747e18f7ab2beaab9eeedd85570abfd0328b6a6f9849b0bd6a3c74bca2c2e18
01 L 76135d48ec267bcc8fec96709667741cc5690e2d62e1fab1034c1249f12652fb
02 R 4c407886b7667c1d71a9dc888cbb8cabc0febd9ee0dc5900d418a459ebf1421e
03 R 26662c6b0e07e264ec1335eac8e4f8236391496cae27c8f7983e861cb6e6419e
04 L 7d38b2056d5b7915c15742cb96d8fb244d89a3b89ffa4d22e99150d5e8642825
05 L c3076cc73799c62ad28e97caf87857119a760e5df12e4ec210ba2c6f605d7378
06 L fcae5963e99a57f4efd5f4281185cf10d59a6527d407a9d2c540d27061a5cc1f
07 L c2303ff5612f595656fbc8fa5264deb6df7a9c5b18764c121c67fb0d35563d37
08 R 5e40752f135b3f56853f7e644c747da035e62faf85e86a943c22728599f73dbc
root 7a1cd5339fe53ebd57f93a3eb3333c9a981ae4ec018300c1d138a26e72f09fbf