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 & HIGHWAYS - LDN 1ST DEO Award a ₱1.9M contract to AL-FAHDEL CONSTRUCTION & ENGINEERINGNational agencies

Transaction hash:

2bb3cf1deeb391d0024bf4b6574a92ff1d8db5ebbf38958551c608c84530055f

Status:

Included and unchanged

Block:

#402 5,611 blocks after it

Position in block:

Transaction 2 of 7

Award day:

Aug 12, 2008 (18 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

AL-FAHDEL CONSTRUCTION & ENGINEERING

Value:

₱1,867,131.07

Project:

Construction of Kapatagan Multi-Purpose Building, Poblacion, Kapatagan, Lanao del Norte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 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 #402 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 & HIGHWAYS - LDN 1ST DEO awarded it to AL-FAHDEL CONSTRUCTION & ENGINEERING on 2008-08-12.
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 2bb3cf1dee…30055fnow …
2. Block Merkle root changed
stored 42ab0b259a…2b5034now …
3. Block #402 hash changed
stored 18abfc1291…9019b3now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

leaf 2bb3cf1deeb391d0024bf4b6574a92ff1d8db5ebbf38958551c608c84530055f
01 R 7bccdd3c5e88a91ee4dc76d2739fb742a74929f8905b9d83dac3bda8571aa850
02 L d7f71e5409eb66651c0bfee7ea5c5304cd6ee9d0fc37d2c7b7b3d79b398b6316
03 R c1bcc921bf3d7905d5336543193bd5a5aa1942f8d9fa39e79085110bd944f121
root 42ab0b259aaff19120d45f8bad6537e42b97acb5a49b1a1d01017f9b622b5034