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 - MIS. OR. FIRST DEO Award a ₱4.8M contract to ME3 CONSTRUCTIONNational agencies

Transaction hash:

6d25b2fb3cc191afe5579e0157f56cb8dc55dce0fb21f2177882336f78adabfa

Status:

Included and unchanged

Block:

#484 5,529 blocks after it

Position in block:

Transaction 22 of 39

Award day:

Dec 2, 2008 (17 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST DEO

To:

ME3 CONSTRUCTION

Value:

₱4,804,100.54

Project:

Asphalt Overlay of Butuan-Cagayan de Oro-Iligan Ci

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST 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 #484 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 - MIS. OR. FIRST DEO awarded it to ME3 CONSTRUCTION on 2008-12-02.
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 6d25b2fb3c…adabfanow …
2. Block Merkle root changed
stored a691ac8817…1e23fenow …
3. Block #484 hash changed
stored 9e2e1ba71f…af4dcbnow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 38 records. Each step hashes the current value together with the sibling shown.

leaf 6d25b2fb3cc191afe5579e0157f56cb8dc55dce0fb21f2177882336f78adabfa
01 R 77c97ec0898507a00df5d67d9aeefebe1702dc1a588c4b6ae615ce466720ed8d
02 L b6a27550134c942f93cd94750a9fce0db0e3a0a28155d52362635f62c6a1ec68
03 L dd4d90a34bfde5d5bac4cd5296a8baca906a7749e52b656ece7f3bca8113a229
04 R 63b359ef148e8ea6dcdf99f5b919e8d893a679e5db841f194366ebbef5bedae5
05 L aa3a994f1164e73583fb48bd2d1c3c5929ccdf358750ad7bfe355cadf05646aa
06 R 9e89844f84d24997d694867feaa38e5c775b5f48d87fe7b780c20c01442bcc90
root a691ac8817d9e67b23f827e0ff6cbb74b677f25641d6fa0595df03f2e01e23fe