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 - ILOILO 1ST DEO Award a ₱4.0M contract to JHJ CONSTRUCTIONNational agencies

Transaction hash:

c8060e32f710cfd310a3fbf8baecd90603961b05aec88a4345f92aea2c3bc6f6

Status:

Included and unchanged

Block:

#1,509 4,504 blocks after it

Position in block:

Transaction 59 of 76

Award day:

Jul 16, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 1ST DEO

To:

JHJ CONSTRUCTION

Value:

₱3,990,000.12

Project:

Construction of Multi-Purpose Building Sinugbuhan Elem. School and National High School, Sinugbuhan, San Joaquin, Iloilo.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 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 #1,509 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 - ILOILO 1ST DEO awarded it to JHJ CONSTRUCTION on 2012-07-16.
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 c8060e32f7…3bc6f6now …
2. Block Merkle root changed
stored 914bf7a32b…de40b8now …
3. Block #1509 hash changed
stored 79fd10507b…426627now …

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

leaf c8060e32f710cfd310a3fbf8baecd90603961b05aec88a4345f92aea2c3bc6f6
01 L bf9cc6b1a4f24cf223da7c74ffe72bac9954a3fdb83f4f76493e6c4ba84eaab9
02 L 64823b6e873054a406fca75e8d3a928187ce850f876ba1c5ab6a9387a5d24548
03 R 75880ec4bdc17109df5fb3f765128924e1043aaff05d4d2767d7d240b65223d4
04 L 08bb423554e5ce9a679c68011c9596f8e4b97be592ec84c6198fa368fdc2a88d
05 L 9cfae4a1fa38a873f17f11b1eb62c21977289826a0464ba52b9e3bcb3e06212f
06 L f3131050f0ebc2562066a62c8b4c9fd348ea99aba461f7bdb4cebfe66bc9c06c
07 R 33d8a9dc7fb91c57687649618197976fc42ed91ea4b08ca410e1ef281fa200ca
root 914bf7a32bbd0f84108dff457248ba05b41bee6812709136036bfad079de40b8