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 - SMMSED Award a ₱297.1K contract to MRJR CONSTRUCTION & TRADINGNational agencies

Transaction hash:

12d30f9ca2c08168d2c259ea11fdc34db5deb16a3f52d5be72cc28fb653692db

Status:

Included and unchanged

Block:

#1,037 4,976 blocks after it

Position in block:

Transaction 1 of 28

Award day:

Dec 29, 2010 (15 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

To:

MRJR CONSTRUCTION & TRADING

Value:

₱297,116.87

Project:

Rehabilitation of Multi-purpose Pavement at Brgy. Talon 2 and Brgy. CAA/BF International, Las pinas City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

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 #1,037 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 - SMMSED awarded it to MRJR CONSTRUCTION & TRADING on 2010-12-29.
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 12d30f9ca2…3692dbnow …
2. Block Merkle root changed
stored a889f71afd…77c7e8now …
3. Block #1037 hash changed
stored c111e24696…162cbcnow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.

leaf 12d30f9ca2c08168d2c259ea11fdc34db5deb16a3f52d5be72cc28fb653692db
01 L 098701b9c480017c7fc4f631e42aa7ccdcbe8f70198ebb7cf8e8cac1b204b015
02 R 119296cffcce86faa9c34b0d66ae7c2914f15961084cf4d330b60dd5ede35e0c
03 R 301361bc723eca072c926b845cba8ca1619fe7e25bf84191ca6c065073a0df5b
04 R 7071e9dc6f93524472ebf60328798a5777754fb1d703e4f6be1c82debea2d70d
05 R d00d19a97a2cb00ffdd5c0852d420e6160ce075dd5364deebb535aa55e8641b0
root a889f71afd20f8322aa9617d4d8385855d3d37bfdb4b74e3f476e7d9d977c7e8