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 - MM 2ND ED Award a ₱4.9M contract to ILFREO CONSTRUCTION & TRADINGNational agencies

Transaction hash:

4e97888fc9429c0860c599ee1b37404503130eef780189c663b1fba6e4b2a113

Status:

Included and unchanged

Block:

#1,341 4,672 blocks after it

Position in block:

Transaction 6 of 32

Award day:

Jan 4, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

To:

ILFREO CONSTRUCTION & TRADING

Value:

₱4,850,390.97

Project:

Repair/Rehabilitation of Drainage Structures & Related Facilities along Quirino Avenue and its vicinity Barangay San Dionisio, Parañaque City, Metro Manila

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

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 #1,341 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 - MM 2ND ED awarded it to ILFREO CONSTRUCTION & TRADING on 2012-01-04.
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 4e97888fc9…b2a113now …
2. Block Merkle root changed
stored 686c948284…4c6bf3now …
3. Block #1341 hash changed
stored 4cecd45aab…96612fnow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.

leaf 4e97888fc9429c0860c599ee1b37404503130eef780189c663b1fba6e4b2a113
01 R 5b9de68be970a88b12410c49c6c66026f635efcf2e7f7180392078b48a5a8a6c
02 L 718969f636f844f92902fa007ef972767ec3c9ca51e5faf2fafdbe45827b753d
03 L c4e1ac66e3a704cdf84d4c74b4f9f34cfe10800ca26097ba6c954a3bc7a3b35c
04 R c566968c8e30d8a1d1c0eb31b0ab00c8cbe171b1e7a5742ea092b2742321a1c4
05 R 0b93128dd525978c285daecc34254f4541b4a8682e23e355e7770b1d3bfe2f79
root 686c9482847a9cc6aa3471bfb51b8ec321cb0b8183895e7106466182984c6bf3