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 - BATANGAS 4TH ED Award a ₱10.2M contract to JBL BUILDERSNational agencies

Transaction hash:

7d3fa1b84a79bf2bd2e902feca3843003da03101d3ac80c869c1cb8299a7d740

Status:

Included and unchanged

Block:

#1,806 4,207 blocks after it

Position in block:

Transaction 23 of 46

Award day:

Jul 18, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 4TH ED

To:

JBL BUILDERS

Value:

₱10,187,690.50

Project:

13DD0106

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 4TH ED

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 #1,806 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 - BATANGAS 4TH ED awarded it to JBL BUILDERS on 2013-07-18.
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 7d3fa1b84a…a7d740now …
2. Block Merkle root changed
stored 31e6892c6e…baffc7now …
3. Block #1806 hash changed
stored 5da0dcf18d…50c058now …

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

leaf 7d3fa1b84a79bf2bd2e902feca3843003da03101d3ac80c869c1cb8299a7d740
01 L 7876e9fd1d7eee2312bf21f605ad2cfb51e08f8f4fc31330ac7d4786cc45c7b0
02 L 002c412bbfb43cb937efcbfba92ef38fa2293d3469292e5346ea81a36b827fb4
03 L 38d7b39f67b438a0b3405e97ff63e6032360748aeed317df685a5f01c56fa986
04 R bf397d025bdb9dfdcd8838696b58139f55c233e0f720045460190b4f1312ce31
05 L 6439472201c075318ca37283e63666d3af27c39e45f2212fc6ac3cd9033d2afc
06 R e3eed23076e73c701af03e82d8a787bbdbfb135db04651400630b7769b4ceb98
root 31e6892c6ec22ebd3f62f1ee6647cb002bb7a28654e6ad64021a0fe015baffc7