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 - QUEZON CITY 1ST ED Award a ₱14.4M contract to M.G. SALAZAR CONSTRUCTION CORP.National agencies

Transaction hash:

4dc0e6586646f43150d97e47b1cfd9ee1cea7c34d33ac5f9408dbb941f090e51

Status:

Included and unchanged

Block:

#2,273 3,740 blocks after it

Position in block:

Transaction 44 of 111

Award day:

Dec 16, 2014 (11 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

M.G. SALAZAR CONSTRUCTION CORP.

Value:

₱14,403,020.27

Project:

Reh/Imp./Const. of Ped. Overpass, Min. Ave, QC

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

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 #2,273 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 - QUEZON CITY 1ST ED awarded it to M.G. SALAZAR CONSTRUCTION CORP. on 2014-12-16.
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 4dc0e65866…090e51now …
2. Block Merkle root changed
stored d3f5ebe8af…560f4fnow …
3. Block #2273 hash changed
stored c62e356f17…9a586dnow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 110 records. Each step hashes the current value together with the sibling shown.

leaf 4dc0e6586646f43150d97e47b1cfd9ee1cea7c34d33ac5f9408dbb941f090e51
01 R 4e56f8fc6fb6f814192332610fbb119416d668714c7ef9ed205cb019beba809a
02 R 46be23141b01e03b6d002ce3dbe7fcfeb03d3c704e2559bc14ce5d2845070eb5
03 L bac31bacd61fed8c2068680ec114c8b07ddd39f3e2da6e8a354e603f1c94a6d0
04 L 39e8fd7e9effbf13348f33a375ac8af27b5638183e268756b77fd657c1b3b797
05 R b81ab187eb5893916e4866572d6b3b4ae58e656b5581ce7709c6ac9882d94521
06 L b1d4612e8ee0a51ae1c69f1340d6ebfee3f1dbae189e2eda7607f5852bb69565
07 R c1b2eff90e4690cd81d210cd42612cbdce94d3a4c13e35d238c0e5bc774ff6a7
root d3f5ebe8af686e73ff8891c691860d745a45c23262768870df2fd30b6f560f4f