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 HIGHWAYS - CEBU CITY DEO Award a ₱4.8M contract to JJ&J CONSTRUCTION AND GENERAL SUPPLYNational agencies

Transaction hash:

eb69221b64d2ff47c3ffa1a59da32a78e3ee6936158356ed602491a43fe2954e

Status:

Included and unchanged

Block:

#279 5,734 blocks after it

Position in block:

Transaction 12 of 16

Award day:

Feb 19, 2008 (18 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

JJ&J CONSTRUCTION AND GENERAL SUPPLY

Value:

₱4,770,000.00

Project:

Construction of One (1) Unit – Two (2) Storey Eight (8) Classrooms Dr. Emilio Osmeña Elementary School Building, Brgy. Buot-Taup, Cebu City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY 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 #279 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 HIGHWAYS - CEBU CITY DEO awarded it to JJ&J CONSTRUCTION AND GENERAL SUPPLY on 2008-02-19.
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)
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 eb69221b64…e2954enow …
2. Block Merkle root changed
stored 563503eae1…79f08fnow …
3. Block #279 hash changed
stored 1d5ff3acef…b07d23now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.

leaf eb69221b64d2ff47c3ffa1a59da32a78e3ee6936158356ed602491a43fe2954e
01 R ec84d66dbc082af59ad5b1dfe586fa79fa3d74bfcd5af096458fc092cb72f49c
02 R 78d971e5f638306a340cd29e2b7aeac0659ebfb11a221ac993ab696dafa7c90b
03 L fd72448731d579c18e36fb604066198e7d3067d44ee99efe651a54cbd9640ef9
04 L 736e99fefd15fd3d477a23ab77eaa6f568dc097b8fb4761ece456167b5133169
root 563503eae18d43ca7417bfd865d375917048e2a6ac4b91b42b8db85baf79f08f