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 ₱1.8M contract to E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTORNational agencies

Transaction hash:

228d00c07d0b69a8bad06b73da881ac41a2c02b62c0fc46165253700476cfa08

Status:

Included and unchanged

Block:

#1,606 4,407 blocks after it

Position in block:

Transaction 11 of 86

Award day:

Nov 8, 2012 (14 yrs ago)

From:

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

To:

E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTOR

Value:

₱1,842,657.30

Project:

Rehabilitation of Multi-Purpose Building at Sto. Cristo Covered Court, Brgy.Sto. Cristo, Q.C. Rehabilitation of Multi-Purpose Building at Brgy.San Antonio/Paraiso, Q.C.and Rehabilitation of M

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 #1,606 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 E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTOR on 2012-11-08.
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 228d00c07d…6cfa08now …
2. Block Merkle root changed
stored 60d168aeab…7bd2danow …
3. Block #1606 hash changed
stored 1f2074fc3f…4c34fbnow …

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

leaf 228d00c07d0b69a8bad06b73da881ac41a2c02b62c0fc46165253700476cfa08
01 L 1f6b2146b3399c82958b8b15f0374c7aa18d90655c9175dcc0bdbb44824a8bfc
02 L d49759c9dc272fa7e9af5890d455ce827414e178e93601c7e4d2f91f5fd1fc18
03 R b56c099558d111542ccea2e0cc34fbf11f9c7fd1453d3e6a464d31f517076483
04 L df888e06ca4e8fdb70488c25c09c3413c7bd40091ec273c50e32a9e7e18feda8
05 R baf9e99f96cb37511cecfd0a30286d0b6561ebaca25a0902058ca66d711f8753
06 R 15d970d53cef1f1176a53bb3bc1b90374df4f92eccff94d810a42b00d8f65fe0
07 R 6f5eb46a036a74f0067cc7d8dc9a7dfe3b10fcc534eb6ebbfd6d86a8449143b3
root 60d168aeab79c1ff206d4e188c7361b5bfe57860617461dc628a54f07b7bd2da