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 - MIS. OR. FIRST DEO Award a ₱684.7K contract to WDM CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

f8ad5670c91ef3d07df35c4aea6c5b86787e55c6bcfd6587f8648fd14cd8e6a9

Status:

Included and unchanged

Block:

#1,388 4,625 blocks after it

Position in block:

Transaction 57 of 60

Award day:

Feb 27, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST DEO

To:

WDM CONSTRUCTION AND SUPPLIES

Value:

₱684,717.70

Project:

Invitation to Bid for Contract ID 12KK0004-Repair / Improvement of Mimbolo Flood Control

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST 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 #1,388 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 - MIS. OR. FIRST DEO awarded it to WDM CONSTRUCTION AND SUPPLIES on 2012-02-27.
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 f8ad5670c9…d8e6a9now …
2. Block Merkle root changed
stored a83d918bda…7dc3bdnow …
3. Block #1388 hash changed
stored 658fe30c5a…a11083now …

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

leaf f8ad5670c91ef3d07df35c4aea6c5b86787e55c6bcfd6587f8648fd14cd8e6a9
01 L f6cf959fd021a20764bd7118394d9bc55d9855f4befa31c60657f75571bf23b1
02 R 6d33ce0735ce1be09d6629217467e7d83ef3d6e90d9d77cbc47d7f53056056a8
03 R 6b89bc0e0e2060e3574dde47ca5964e9323e124e4886ebf930e043f82256ceb3
04 L 0dca3d0fe17a303152b9cff11120c64c4bc7eb8ada0f12d8c7d47823c37ac4e7
05 L 2e2a9e756b16e8d01fdae7813e86d24e8c1f4d0b82e6c7f7f968f8a8c19de963
06 L f1b0cef9702b04e652eaf828b3851a9d42ad4236450d55b6ab5369ff63dd1227
root a83d918bda5cd99dc4b661cd39d1d97ce655ae735177cf2fa378653bca7dc3bd