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 ₱177.5K contract to DAVAO ENGINEERS CONTRACTORS COOPERATIVECities

Transaction hash:

0fb5bc0608dca16e6aaeec485fa2a8b302cd2c1063271b057056386959cdc114

Status:

Included and unchanged

Block:

#667 5,346 blocks after it

Position in block:

Transaction 4 of 41

Award day:

Aug 19, 2009 (17 yrs 2 mo ago)

From:

CITY OF DAVAO, DAVAO DEL SUR

To:

DAVAO ENGINEERS CONTRACTORS COOPERATIVE

Value:

₱177,450.40

Project:

Construction of Comfort Rooms at Day Care Centers, Barangay Daliao, 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 #667 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 2009-08-19.
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 0fb5bc0608…cdc114now …
2. Block Merkle root changed
stored d5f71e2dd1…91b87anow …
3. Block #667 hash changed
stored 3ea725f69f…dde4e3now …

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

leaf 0fb5bc0608dca16e6aaeec485fa2a8b302cd2c1063271b057056386959cdc114
01 R 126a134db92702d25d853cc475e91a5fad8879eb7da1da8ff083d55f65b69bed
02 R 5065cc7be6fd908d0817c821ed66390767f9380b01bcdcf06a46afe5193b7e15
03 L ed74e081df1c832fc30adc47fcc6a189e5397b55e157a93fec9b652bd06d1a18
04 R a7b0df959ef44e9a553112a98d7b23034f2615c8a4f291c42190476984bfe25b
05 R c2aa54e5fde377f760a488fcac696fa753bb08659e62554452a9b85ed5dabd4e
06 R 034c7a9b99a2407137ad43a7f016ab8d15251c01f3c068c7333be740b9993bc4
root d5f71e2dd167b8063c97b8ad8f261ab175cffdd8e38a2621f7338b197b91b87a