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 2ND DEO Award a ₱3.1M contract to SHAK CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

ae1f35fa17d780c7bb01f69284be19a7585bd100b3174f16b14fe788bc757616

Status:

Included and unchanged

Block:

#1,042 4,971 blocks after it

Position in block:

Transaction 30 of 47

Award day:

Jan 5, 2011 (15 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 2ND DEO

To:

SHAK CONSTRUCTION AND SUPPLY

Value:

₱3,079,873.99

Project:

Concreting of Barotac Nuevo – Dumangas Wharf Rd., Dumangas, Iloilo

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 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 #1,042 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 2ND DEO awarded it to SHAK CONSTRUCTION AND SUPPLY on 2011-01-05.
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 ae1f35fa17…757616now …
2. Block Merkle root changed
stored 1e23e689eb…680bebnow …
3. Block #1042 hash changed
stored 667eae0e70…a5d518now …

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

leaf ae1f35fa17d780c7bb01f69284be19a7585bd100b3174f16b14fe788bc757616
01 R aebde541602eb036812be9f65f3f6cfb28d33e33fb83aa87abeeafa6c5503868
02 L 579357aedf75936ec370d697db7a27fedf213ab9469a44673d0411bf08effe1c
03 L 7107edc0c0bfa1f028a42d54b49762bd3e566459170cfdd8640bd568b2968785
04 L f8137eb4d069416de7850f7f20ee92593c49e4872b23730b07b64d431dc69cf6
05 L f8b407e89f2c2f510b5e960d4ddf309e376fb7d5efc619f4289208add01810d3
06 R 79e31d098181c60f5c7c9aed6ed4f3c8300a6be6df001e7ffbe625a8fdeee969
root 1e23e689ebc45fc0f3f769d31533b3fbf66cdc880524ccf0aaf66a95bd680beb