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 - NORTH METRO MANILA Award a ₱1.9M contract to A.M. SALONG CONSTRUCTIONNational agencies

Transaction hash:

d6d654c4bb65eb364c92feac761765d44cb2b9d9790dbbb37407ab65ddbf3303

Status:

Included and unchanged

Block:

#3,552 2,461 blocks after it

Position in block:

Transaction 71 of 91

Award day:

Oct 4, 2018 (8 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA

To:

A.M. SALONG CONSTRUCTION

Value:

₱1,922,213.10

Project:

Local Infrastructure Program

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH METRO MANILA

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 #3,552 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)
DPWH lists the funding source as "Regular Infra - GAA 2018 LP", i.e. the FY2018 GAA. The exact UACS line is not given.
Partly
Open
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 - NORTH METRO MANILA awarded it to A.M. SALONG CONSTRUCTION on 2018-10-04.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18OE0145: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2019-07-11). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 d6d654c4bb…bf3303now …
2. Block Merkle root changed
stored 40fec12674…f0fc94now …
3. Block #3552 hash changed
stored 7a66d26a04…8e34b9now …

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

leaf d6d654c4bb65eb364c92feac761765d44cb2b9d9790dbbb37407ab65ddbf3303
01 L d27664b7700fd5d71cedd50956d8c6d43c36183d279338799f8108bd8d80db65
02 L e66f2902775b54bc72c4fade7eca703be080e26db551559b814fe0da818539be
03 L 9d1a70f962d05dbabfe7daa41f71e8bc409f706bec3c68239751476d25394dfe
04 R 4d3803c5d4562f0ebd6e8bd9bd771e9f3c17e2d315a5b8a05641d59ed6f2db88
05 R 361d37cfcb66fd5b54f7fca7c1b00d9d87dcbd28452170ebddc7a3fa8a0497c5
06 R 91681cbf494295f786c18a4946208843d05747af2f4b421161d468e5e9c4f356
07 L f808f3fe40e593c980b11a4805355fdfc755ddfc6b9b7d4969a452275e87e174
root 40fec1267412d0f66ad70f93c3e0fc73b3193d91cdbae4fc7d4b1540f1f0fc94