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 - PTED Award a ₱5.0M contract to ORIENTAL SALES CENTER AND CONTRACTORNational agencies

Transaction hash:

6a2c9abd5cb8b6e72d9dc2a267b8fee70b60877b4aaf87538b911cdf1c09d326

Status:

Included and unchanged

Block:

#356 5,657 blocks after it

Position in block:

Transaction 1 of 4

Award day:

Jun 10, 2008 (18 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PTED

To:

ORIENTAL SALES CENTER AND CONTRACTOR

Value:

₱4,995,970.16

Project:

Repair/Rehab. of San Nic.-Nat.-San Quintin.-Umingan-Guimba rd.,km. 229+100-Km. 231+000 with exceptions, Baracbac, Umingan Section, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PTED

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 #356 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 - PTED awarded it to ORIENTAL SALES CENTER AND CONTRACTOR on 2008-06-10.
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 6a2c9abd5c…09d326now …
2. Block Merkle root changed
stored 1c50bf8125…d6c7e3now …
3. Block #356 hash changed
stored 2651e9a7c3…207860now …

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

Merkle proof (2 steps)

How this one record is tied to the block's Merkle root, without needing the other 3 records. Each step hashes the current value together with the sibling shown.

leaf 6a2c9abd5cb8b6e72d9dc2a267b8fee70b60877b4aaf87538b911cdf1c09d326
01 L 422180795b5b01d859833ee4080210ca5d087b88bb769c4608092aafa2ed72e4
02 R b157f5aed157c2fc2bddf5fe134ae87be26fa0648990a3f4b4dcdb8c2243e46b
root 1c50bf812505bdd57dc153a7c0600c9cd2457ea8e7c394e18ac9bc1aaed6c7e3