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 - LANAO DEL SUR 1ST Award a ₱14.5M contract to N.B. SALBO CONSTRUCTION - MARAWI CITYNational agencies

Transaction hash:

eb35d0f3a89eb28659459e2bd3ae78516e58b2255b1186ec566b585473e72695

Status:

Included and unchanged

Block:

#2,959 3,054 blocks after it

Position in block:

Transaction 105 of 114

Award day:

Jan 12, 2017 (9 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL SUR 1ST

To:

N.B. SALBO CONSTRUCTION - MARAWI CITY

Value:

₱14,476,884.21

Project:

Repair/Rehab of Bayabao Ramain Bridge, Ditsaan Ram

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL SUR 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 #2,959 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 - LANAO DEL SUR 1ST awarded it to N.B. SALBO CONSTRUCTION - MARAWI CITY on 2017-01-12.
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 eb35d0f3a8…e72695now …
2. Block Merkle root changed
stored 69a0ae749a…c205e1now …
3. Block #2959 hash changed
stored ef1b1211c0…8e405cnow …

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

leaf eb35d0f3a89eb28659459e2bd3ae78516e58b2255b1186ec566b585473e72695
01 L eab9906a64fed54153687e501bda39680a4d55e5e88da7a17345021f9616579d
02 R 15c810ca3a8ae4f053a06844cb1aac6b105909cfe9c8b013c90d9a38dca15b2f
03 R a8fe98a3879c5c2d10e58b5f7c5e600a971795a641356faec7a9dca0ba8f3843
04 L 81b8f06761ff5a6f65c8815733b1a46327206379c7699aa76c55866057ab90c2
05 R 1f669b06a6c3b13825ad9a16660a40afb3940a47ae5601592f2c75cfb4e8f4c4
06 L f67fa6baed926be91f08e6dd92bc1c121f2d2d9728554f8d698bb5a583b08918
07 L e6ce94964ee4397c1296f3f3b71a12537becb29ae7ab332a635537b5696f0613
root 69a0ae749a684b2482df7d4a26578fb294680c6dc18a05bc77dba1927dc205e1