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

CITY OF DAVAO, DAVAO DEL SUR Award a ₱177.4K contract to DAVAO ENGINEERS CONTRACTORS COOPERATIVECities

Transaction hash:

fcfed3bb9870a00c8388b63c0fdacaa775a72c6cba6925ea32632e857234da42

Status:

Included and unchanged

Block:

#688 5,325 blocks after it

Position in block:

Transaction 49 of 51

Award day:

Sep 15, 2009 (17 yrs 1 mo ago)

From:

CITY OF DAVAO, DAVAO DEL SUR

To:

DAVAO ENGINEERS CONTRACTORS COOPERATIVE

Value:

₱177,360.17

Project:

Construction of Stage/Installation of Lighting Facilities at Damiana, Purok 15-A, Barangay Bunawan, Davao City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF DAVAO, DAVAO DEL SUR

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 #688 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)
CITY OF DAVAO, DAVAO DEL SUR awarded it to DAVAO ENGINEERS CONTRACTORS COOPERATIVE on 2009-09-15.
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)
COA's CY2024 audit of City of Davao gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 fcfed3bb98…34da42now …
2. Block Merkle root changed
stored 40bc141693…641ca6now …
3. Block #688 hash changed
stored 02059ea6fc…80293anow …

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

leaf fcfed3bb9870a00c8388b63c0fdacaa775a72c6cba6925ea32632e857234da42
01 L fa417a31078b441b1ae46b5e469989bffe426bfa52e4bdc3e013cfb38ca74e6e
02 R 8d4cae5c1240c0c6500a79412658cb38a9dbb4cfa070954e1ddb9ea74eed9d1b
03 R 2b30eec1ec39177b8f9a69e56bf3677980e510dac959a857bb2bc0a8edd47a79
04 R 4af81b6aac3e3621ba9d452ce0be8e6921edf1c882a7f9c0b3960aa8fc62a842
05 L 3482a3f4106cd63119f85c80bc328c066a79ad64ccd3f2780b4a7533b817046c
06 L 60c35ddaaf360bfcf0bcbc4c044026581685833b9a5443c6cfc6b881d6ac8c5e
root 40bc141693564c2ea2ca5b945a600b636d0114736db31a08fb58ea6d22641ca6