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 - SARANGANI DEO Award a ₱3.0M contract to LAWRENCE ERIC CONSTRUCTION & ENGINEERING SERVICESNational agencies

Transaction hash:

5bdf5ae66e381b33631997b22ab88736a931ed0136373f3f7ee1d42d5a28501d

Status:

Included and unchanged

Block:

#1,617 4,396 blocks after it

Position in block:

Transaction 23 of 58

Award day:

Nov 22, 2012 (13 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI DEO

To:

LAWRENCE ERIC CONSTRUCTION & ENGINEERING SERVICES

Value:

₱2,998,225.25

Project:

12ME0079 Cluster C - Re-bid 1. Const. of MPB Brgy. Datal Tampal, Malungn, 2. Const. of 2CL Building Maasim CES, Maasim, all of Sarangani Province

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SARANGANI 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 #1,617 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 - SARANGANI DEO awarded it to LAWRENCE ERIC CONSTRUCTION & ENGINEERING SERVICES on 2012-11-22.
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 5bdf5ae66e…28501dnow …
2. Block Merkle root changed
stored 2a81da1fef…209739now …
3. Block #1617 hash changed
stored e2ac8ef6bf…ad589bnow …

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 5bdf5ae66e381b33631997b22ab88736a931ed0136373f3f7ee1d42d5a28501d
01 L 4f50d01656239f13e22b4cf3cc804b71eb3a6b5dd2f0189d55364c09a48342ae
02 L 1096c9a43081c484f4db83537cfaa8bbe92ebb6fe6dc85443c6b88b30bceb6cc
03 L ee357620c223317c82771112310a9301f8b8d37c9e079a3511b78002ae560fbc
04 R 0ba91caf081fb9e19fc154a1ffb064a2eefb4394a01360b2c7913eb318adfcb1
05 L 82d843386b123e7b8cac772950d06bb975468b4ce65d2ab63440bace4bc16073
06 R a763203786b6b33954981ce272e311a21f5b7b474aaa9a5edd962b779d012487
root 2a81da1fef2bb5fefe4ed5a66ececed567aa6b32c9f86d96f20cafe4c3209739