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 - MM 2ND ED Award a ₱2.9M contract to NEWBIG FOUR J CONSTRUCTION INC.National agencies

Transaction hash:

01bd2cf62c1d6f2babdcf8c60eb28196221349df715f9e324ef6c39628c73762

Status:

Included and unchanged

Block:

#1,401 4,612 blocks after it

Position in block:

Transaction 0 of 90

Award day:

Mar 14, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

To:

NEWBIG FOUR J CONSTRUCTION INC.

Value:

₱2,902,993.28

Project:

Construction of Multi-Purpose Building at La Huerta Elementary School Barangay La Huerta, Parañaque City, Metro Manila

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND 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 #1,401 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 - MM 2ND ED awarded it to NEWBIG FOUR J CONSTRUCTION INC. on 2012-03-14.
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 01bd2cf62c…c73762now …
2. Block Merkle root changed
stored 7db279a8dd…863cd9now …
3. Block #1401 hash changed
stored 5571aba884…0484fenow …

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

leaf 01bd2cf62c1d6f2babdcf8c60eb28196221349df715f9e324ef6c39628c73762
01 R 0216a057c291411db457d9f55fcd143711bb1cb5f0f628db7bbf5e49a3867e33
02 R 636f78ea1fbefc05b569618b1a5c548a7879b7fe40237f19f398f770878842d9
03 R 6e055b60eb61719e058b411234fa7c656931fb23238a21fb366470ff482b84e6
04 R 85a9032f84bc80b4f2e474bc26eb87d7c09f5b0dc5cc950cf209e3b6e1e1f6aa
05 R 80f873bcb5e185132af82d1d82cb092e930929fa17c011abfe122eabf2dd7ad0
06 R 0c91f226f0436032723075866654bfabb370ac5cd83a16c481f8938d8c079a3c
07 R 1166c8759206be611ce5def080d10e110768fa1a0292c4ffde2345a1989f13d8
root 7db279a8dd4e6c4a91619ad9702a120ced4e753ab7bd6b58d915ed965b863cd9