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 ₱1.92B contract to E.C. DE LUNA CONSTRUCTION CORP.National agencies

Transaction hash:

226c873dc48498a8a959906f71aec0e0ffec333ec1b3f8a79f8163f8e2f342d6

Status:

Included and unchanged

Block:

#323 5,690 blocks after it

Position in block:

Transaction 1 of 5

Award day:

Apr 23, 2008 (18 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MAIN

To:

E.C. DE LUNA CONSTRUCTION CORP.

Value:

₱1,915,409,469.13

Project:

Marikina-Infanta Road, Km. 91+910 to Km. 120+925 w/ exception

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 #323 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 E.C. DE LUNA CONSTRUCTION CORP. on 2008-04-23.
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 226c873dc4…f342d6now …
2. Block Merkle root changed
stored f5a36d5f8e…f77e4cnow …
3. Block #323 hash changed
stored 6f5ddc9144…64cc19now …

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

leaf 226c873dc48498a8a959906f71aec0e0ffec333ec1b3f8a79f8163f8e2f342d6
01 L 1519000a275d8e639164553f6c36bd9d5ab7ba765cd464e455899ac5b61379af
02 R e6f3db08a7d18a2a3000f7f5dfb11d77035a5106ceb0eb8875c21ed29dc408cb
03 R b410f96691cee9441af9ed0542b30b3390c9146b758b72297fce7794fe525f93
root f5a36d5f8e8ae1a9c4fc336974fd5f2b45313f2b4c414db2f025bb438ef77e4c