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 - DAVAO CITY DEO Award a ₱49.6M contract to AIMM BUILDER AND CONSTRUCTION SUPPLYNational agencies

Transaction hash:

d20cb98c4352fcf32ae39eee13f4b1a2d7d69e383a722df9272ae2ce471e0e28

Status:

Included and unchanged

Block:

#4,604 1,409 blocks after it

Position in block:

Transaction 177 of 206

Award day:

Oct 20, 2021 (5 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY DEO

To:

AIMM BUILDER AND CONSTRUCTION SUPPLY

Value:

₱49,627,852.34

Project:

21LB0374

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY 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 #4,604 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 "Outside Infra - Trust Funds 2021". The exact UACS line is not given.
Partly
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 - DAVAO CITY DEO awarded it to AIMM BUILDER AND CONSTRUCTION SUPPLY on 2021-10-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21LB0374: 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 2022-07-06). 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 d20cb98c43…1e0e28now …
2. Block Merkle root changed
stored d8c35e149e…efff89now …
3. Block #4604 hash changed
stored c77bcbbf8b…4cf7c6now …

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

leaf d20cb98c4352fcf32ae39eee13f4b1a2d7d69e383a722df9272ae2ce471e0e28
01 L d174f5788089b8c4a4f37cb0124d54ba7065a66becb657c4269e78129c96379f
02 R 7e7827433a34776f596a9de9ed0484f919b8508960008ab75701afcbfb4874b1
03 R 5922f565feba5dbfcf006554594bf731ffb30c68615b70c6e0a90467ede1694c
04 R 73dec2f0dfaf00b7e0a6ed0222b6cecaf356d62133d51d7940696b4d10b8876e
05 L dccfbd681c8e56a0717d9c679ef338fc6c06da3be3178e7b5abafe58c279c8fb
06 L f81dce7abdf31860389177ee6bf5e8a8ea7b6c2f6b520c06717db2b2a97bbe33
07 R b078fe5967f335f8f32ec87744ab65a85e56e18782c9f84bc839588128d83672
08 L ced1b03b727661916ec04435908e3b09e979cd11f0b79ef0290a9f3e197d342a
root d8c35e149e029159590f13f3d6196c91549b6588807f1a3348fcbadde8efff89