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 1ST DEO Award a ₱989.0K contract to ARL CONSTRUCTIONNational agencies

Transaction hash:

7136ed4cf1cbfe5e95bdc339fe247b002615e11d3aaec67c701b2a4321b5d39a

Status:

Included and unchanged

Block:

#741 5,272 blocks after it

Position in block:

Transaction 11 of 22

Award day:

Nov 25, 2009 (16 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ARL CONSTRUCTION

Value:

₱988,984.48

Project:

Repair/Rehabilitation/Construction of school building BSU Matungao, Bulacan, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #741 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 1ST DEO awarded it to ARL CONSTRUCTION on 2009-11-25.
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 7136ed4cf1…b5d39anow …
2. Block Merkle root changed
stored 73955bec09…4606d2now …
3. Block #741 hash changed
stored 315e94b01e…87dc39now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.

leaf 7136ed4cf1cbfe5e95bdc339fe247b002615e11d3aaec67c701b2a4321b5d39a
01 L 6861cf27b4fd90578aa783b247858001b7c6929781a16960335559da5855e706
02 L 2acacfe302fa653abb03fac3726a57f0340644070716f95bd0eb1aceafae3493
03 R 90d64c872f08845b1e222d85c3b08f7c5ac85d3810ce1dbe4803203aa3b068be
04 L 1ec4e334d1f192dc2759e0cf960d68699b0bc1a7e622e2f9f49373a5026dad00
05 R 07c5afa899f658174ce2e6a522024e66ad47e3c152aa73fe8ac1e647156d5e3a
root 73955bec096b69d7ef412754e214c1a563bf9f4a35a93576f7efbd81124606d2