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 - SMED Award a ₱10.2M contract to ARMANDO U. KHONG HUN GENERAL CONTRACTOR, INC.National agencies

Transaction hash:

c0015ffdb0790e0c8d0602fd6c57511d367a2306df7973b2f2c8dd589020c268

Status:

Included and unchanged

Block:

#1,266 4,747 blocks after it

Position in block:

Transaction 20 of 24

Award day:

Oct 12, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMED

To:

ARMANDO U. KHONG HUN GENERAL CONTRACTOR, INC.

Value:

₱10,191,845.75

Project:

Invitation to Bid - 11OH0050

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMED

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 #1,266 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 - SMED awarded it to ARMANDO U. KHONG HUN GENERAL CONTRACTOR, INC. on 2011-10-12.
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 c0015ffdb0…20c268now …
2. Block Merkle root changed
stored a5003e8e9d…4996ffnow …
3. Block #1266 hash changed
stored 264c000754…d63d63now …

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

leaf c0015ffdb0790e0c8d0602fd6c57511d367a2306df7973b2f2c8dd589020c268
01 R d29700524e1c1118d8295c632b4e5568caf4189ab063a2ea2b0e46c3a3a58b6e
02 R 5c08eb8028ffbb52325dfa1e387c47510f2657f708128e86a30237ce2de2815d
03 L fd458a2cf4c04c88980107eb5591bb3803f862de7ea9d06a756461bd6bda25fe
04 R aa160862b5162f6f1106a2cc9d7b216b9c3b34b348081070c81324a2dafb7ae5
05 L 772412df3adb4ad758e8405c948c35b4d6022ea09ba1214a047c4eb26d125a7e
root a5003e8e9d30e7262a629b1bacd32c0d2eaf5c246c110225336d59c5b74996ff