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

LAGUNA SUB DISTRICT ENGINEERING OFFICE , DPWH Award a ₱480.1K contract to NEW RICH GENERAL CONTRACTOR SERVICES & TRADING CO. INC.National agencies

Transaction hash:

aa7ce5dfd4d0c0aea374d1de542e1429cc7dcbd9e5184b978c51b54a24b04b20

Status:

Included and unchanged

Block:

#299 5,714 blocks after it

Position in block:

Transaction 42 of 61

Award day:

Mar 19, 2008 (18 yrs 7 mo ago)

From:

LAGUNA SUB DISTRICT ENGINEERING OFFICE , DPWH

To:

NEW RICH GENERAL CONTRACTOR SERVICES & TRADING CO. INC.

Value:

₱480,074.00

Project:

INVITATION TO APPLY FOR ELIGIBILITY AND TO BID

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

LAGUNA SUB DISTRICT ENGINEERING OFFICE , DPWH

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 #299 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)
LAGUNA SUB DISTRICT ENGINEERING OFFICE , DPWH awarded it to NEW RICH GENERAL CONTRACTOR SERVICES & TRADING CO. INC. on 2008-03-19.
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 aa7ce5dfd4…b04b20now …
2. Block Merkle root changed
stored 433c3ce759…1bda8anow …
3. Block #299 hash changed
stored fd783dfbd2…08f2b9now …

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

leaf aa7ce5dfd4d0c0aea374d1de542e1429cc7dcbd9e5184b978c51b54a24b04b20
01 R b0f7353429b5617583c35edd1e8ab62fe08e335a614c95bbc84d6c21c6d6f624
02 L 61c7710456c0674128a5295be81395723da5f3b5b6fd6b61aa197b5fdb446fc5
03 R 6d60050a747d0049608ef6ab9f33526558e419d0ed34fd1e0d40e7c5afc82d3f
04 L 3e8f60cbbd53f64c352905f7c31c42b47def34d531ef3f9f9f833843ba52e517
05 R 169588b30158b0c0ba797238ac167236d08dfe08cc98e3e763fe769fa6d88458
06 L 531e96175c2edbacb0de9c1089f6b08f6957e6176122474bc7020a5fd5024612
root 433c3ce759dcb7374b2600181b87f662d098488eb4762229bc5ae8da5b1bda8a