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 - ILOILO 4TH DEO Award a ₱1.1M contract to OTING CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

4ae4db9b28346ec8a55ecb637bdba16681f910c67ca5019f2d173d0d0c84a91e

Status:

Included and unchanged

Block:

#1,806 4,207 blocks after it

Position in block:

Transaction 17 of 46

Award day:

Jul 18, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 4TH DEO

To:

OTING CONSTRUCTION AND SUPPLY

Value:

₱1,148,063.30

Project:

CONCRETING/REPAIR/IMPROVEMENT OF VARIOUS ROADS / M

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 4TH DEO

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 #1,806 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 - ILOILO 4TH DEO awarded it to OTING CONSTRUCTION AND SUPPLY on 2013-07-18.
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 4ae4db9b28…84a91enow …
2. Block Merkle root changed
stored 31e6892c6e…baffc7now …
3. Block #1806 hash changed
stored 5da0dcf18d…50c058now …

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

leaf 4ae4db9b28346ec8a55ecb637bdba16681f910c67ca5019f2d173d0d0c84a91e
01 L 4441d70f26f8c617f6289fc00c3f6d514051f79275b26a88a1aecee13543cee1
02 R 8e990f3929f2e0ee59a0066219906b1aec0a7fae46fbdde0c565b517595768b3
03 R ea39ebb2c380dee081aae2f3b078ca8c2b0c7f2c8d28e942dbd9b48755173b12
04 R bf397d025bdb9dfdcd8838696b58139f55c233e0f720045460190b4f1312ce31
05 L 6439472201c075318ca37283e63666d3af27c39e45f2212fc6ac3cd9033d2afc
06 R e3eed23076e73c701af03e82d8a787bbdbfb135db04651400630b7769b4ceb98
root 31e6892c6ec22ebd3f62f1ee6647cb002bb7a28654e6ad64021a0fe015baffc7