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 - BULACAN 2ND DEO Award a ₱2.0M contract to EIRISH BUILDERS & SUPPLY CO.National agencies

Transaction hash:

46b8a09bfa3ea11bfa27eaddc7fbea2e7229ebbb46c4957b07838e1dcf13b83d

Status:

Included and unchanged

Block:

#876 5,137 blocks after it

Position in block:

Transaction 2 of 7

Award day:

Jun 2, 2010 (16 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

EIRISH BUILDERS & SUPPLY CO.

Value:

₱1,970,973.24

Project:

Package 1-3rd District Lower House FY 2010 a)Improvement of Akle-Casalat Pipe Culvert, San Ildefonso, Bulacan b)Concreting of Road, Brgy. Calasag, San Ildefonso, Bulacan and other 33-projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND 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 #876 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 - BULACAN 2ND DEO awarded it to EIRISH BUILDERS & SUPPLY CO. on 2010-06-02.
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 46b8a09bfa…13b83dnow …
2. Block Merkle root changed
stored e96e925ff8…983174now …
3. Block #876 hash changed
stored 72f331a655…f0ef3enow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

leaf 46b8a09bfa3ea11bfa27eaddc7fbea2e7229ebbb46c4957b07838e1dcf13b83d
01 R 775a2821e60080955c1d44afe8f3fe4816cbcfd741bfb18c3907fce1a4cd1dc9
02 L ea7b42a5d295e1cd29c7c100771517cc957b2a881a907bf09c4a685e385b1596
03 R 9bbe6fd779f6749c2d14ec50d7bb78d5abdccd4d30a8d3f9739ba7e4491f615c
root e96e925ff8325a174f0203d5b823125d98b7212f462e64e6a21297482e983174