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 ₱934.2K contract to F.R. MAPILISAN CONSTRUCTIONNational agencies

Transaction hash:

ff23e53a4cf5b2eb7cb2d30fed62aa5ce24bc6fb4644f104bd7394f0b0d45b2c

Status:

Included and unchanged

Block:

#1,198 4,815 blocks after it

Position in block:

Transaction 28 of 29

Award day:

Jul 21, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

F.R. MAPILISAN CONSTRUCTION

Value:

₱934,246.85

Project:

Construction of multi-purpose building Lumangbayan, Plaridel, 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 #1,198 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 F.R. MAPILISAN CONSTRUCTION on 2011-07-21.
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 ff23e53a4c…d45b2cnow …
2. Block Merkle root changed
stored b6b859172a…17bebbnow …
3. Block #1198 hash changed
stored 008e24793b…743dd7now …

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

leaf ff23e53a4cf5b2eb7cb2d30fed62aa5ce24bc6fb4644f104bd7394f0b0d45b2c
01 R ff23e53a4cf5b2eb7cb2d30fed62aa5ce24bc6fb4644f104bd7394f0b0d45b2c
02 R 4a183f5fb84513ed2497eb5f5fad01368c70598ba6459972457d7fd785f0fd31
03 L 19747528a47147f395cff161583e3e20f67057740521dd290e8eb8fe9ff6d8f3
04 L 62ba46a632faabeecac68e76a716a68309a6cc2c76cc396eafa68353f7aab299
05 L ae2cf5e08f9abfbeb5b1dd9b5c589a1656f99d500ce063eff7075909b8ae88fc
root b6b859172ac85a8268d90c93007826c0fc02343537902b12b0f622295017bebb