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 - NORTHERN SAMAR 1ST Award a ₱9.6M contract to WAR CONSTRUCTIONNational agencies

Transaction hash:

7dc5bb198db1e6cd6eb0e613824cfdbbccef5fd0e82150c315554343fcf6f4c0

Status:

Included and unchanged

Block:

#4,556 1,457 blocks after it

Position in block:

Transaction 112 of 217

Award day:

Sep 2, 2021 (5 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

To:

WAR CONSTRUCTION

Value:

₱9,602,239.70

Project:

21IH0082

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 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 #4,556 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 2021 LP", i.e. the FY2021 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 - NORTHERN SAMAR 1ST awarded it to WAR CONSTRUCTION on 2021-09-02.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21IH0082: 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 2022-08-02). 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 7dc5bb198d…f6f4c0now …
2. Block Merkle root changed
stored 07cefc5ff9…ab2613now …
3. Block #4556 hash changed
stored 835dc73591…b16cd1now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 216 records. Each step hashes the current value together with the sibling shown.

leaf 7dc5bb198db1e6cd6eb0e613824cfdbbccef5fd0e82150c315554343fcf6f4c0
01 R 7eff99dbb17c24e9a45d2250dab6f15974eca67a1618f06bec3ca15662f263c3
02 R c5a6687b5678af5ac1210acf4af138a0528bacbf0c7ebb63ff29a64de5273870
03 R 2c7569f9c04c89b2ca28dae5e6c283cfd74f95afa215229a8fdf101fac8babc7
04 R 0b3510e25c5a28abf141bf1a8042e82d8db182a160503b9d0e3b8d94e776438c
05 L 1a40131df6d0b9512e6da5cfe96b3e313f01fab61be420e5a11c2d9159e4afbe
06 L 2a0279899f2a8759b7d56e417b06ad2aa1e4de2ab70883423ab27ae13438222b
07 L e5a7846669272962e5f7d14ebe136c6cf7b1553ebc2f41773d0712d3da445326
08 R fcad7bfb482b56f807317a65635ed4beb34fbb73a17baefc62c468762aee16fe
root 07cefc5ff9b5c093d60934fe27faff0756eacb267544e57e61548c2bc0ab2613