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 - NORTH COTABATO 1ST Award a ₱2.4M contract to JJAL CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

2ffd8d12e0778e2d3bec3db9581187cac89b656d824833fa6866f0f3e67201d7

Status:

Included and unchanged

Block:

#2,005 4,008 blocks after it

Position in block:

Transaction 10 of 58

Award day:

Feb 20, 2014 (12 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST

To:

JJAL CONSTRUCTION AND SUPPLY

Value:

₱2,364,119.36

Project:

14MC0013

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST

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 #2,005 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 - NORTH COTABATO 1ST awarded it to JJAL CONSTRUCTION AND SUPPLY on 2014-02-20.
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 2ffd8d12e0…7201d7now …
2. Block Merkle root changed
stored 41c7c7e958…9aa3e4now …
3. Block #2005 hash changed
stored 125e0796ea…c2a47fnow …

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

leaf 2ffd8d12e0778e2d3bec3db9581187cac89b656d824833fa6866f0f3e67201d7
01 R 350dc8e6cdf9618531fd3ea227b354573435b10b02bbcfdc7643528ef6549412
02 L 8065debecfdbea625e4179f811730cd6d2d3226251ae0823695a2f3af30907ef
03 R 98c731d63e01d4ed2cea855e046d328ed7b800b48e7613d4afc50226b1cb4335
04 L 9eef85dde4c053e5a1fb74ea7e28e5c4f675a186950e4dd034003789a052ab97
05 R bb4d94936a2c4ac8027145a8621a9f77e4d90bf30df7d4134eed0e2782289214
06 R 8ddf5e8e122b8bc7ad567c417ade176ba73e60d6e1fef3c21b2edc0538179fc1
root 41c7c7e9582036bba02cf107d7e6c705c27621cc2b4f5184422ff8423d9aa3e4