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 NATIONAL DEFENSE - PROCUREMENT UNIT Award a ₱146.2M contract to VICENTE T. LAO CONSTRUCTIONNational agencies

Transaction hash:

bdb1bb6fcca89db15e5fec2ad1682a8addf27a25a59d360a7788209129e4e89a

Status:

Included and unchanged

Block:

#2,044 3,969 blocks after it

Position in block:

Transaction 76 of 102

Award day:

Apr 7, 2014 (12 yrs 7 mo ago)

From:

DEPARTMENT OF NATIONAL DEFENSE - PROCUREMENT UNIT

To:

VICENTE T. LAO CONSTRUCTION

Value:

₱146,243,488.76

Project:

Infrastructure Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF NATIONAL DEFENSE - PROCUREMENT UNIT

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 #2,044 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 NATIONAL DEFENSE - PROCUREMENT UNIT awarded it to VICENTE T. LAO CONSTRUCTION on 2014-04-07.
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 bdb1bb6fcc…e4e89anow …
2. Block Merkle root changed
stored 493960e181…e2e227now …
3. Block #2044 hash changed
stored 5638b400c0…e24b09now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 101 records. Each step hashes the current value together with the sibling shown.

leaf bdb1bb6fcca89db15e5fec2ad1682a8addf27a25a59d360a7788209129e4e89a
01 R bdc3c59bf3895831dde0bc99c873aac635376066ee3bfe3059dd4d30b160f0e4
02 R 1a75e3901e5606995f25f585cdc43381d6bad66a1cf855fe06dafbe5a5b69762
03 L 96a400bb8bf2bcbe2c25861672b43872000a7f263dc0c8f90baf7df81ecd651c
04 L 9681d4fe70c80db99cc59946c316bb230e122d25bc23b5f1972100da7ba78b8b
05 R 6d5c7f8656e81684b22770702f64099399a9158453cc14769e02a299249b64a2
06 R 8e387adf0df1889a8608b03754e00733bc844623a0762efff4ace3018bf93e73
07 L 23ea7bb2ce9017b2a3f537f164fedb38a4cc7897cf87a415537364df81a5ab20
root 493960e181fc345a8009cdf93636988973b9b9d6c94bed93d0cfae6367e2e227