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 2ND DEO Award a ₱979.9K contract to RODOLFO R. SANTIAGO CONSTRUCTIONNational agencies

Transaction hash:

3f927dbbf6e6be7175fe889d6e5f3cd2bed3bdb3be6f55ca2ea0ce2523a93cda

Status:

Included and unchanged

Block:

#1,218 4,795 blocks after it

Position in block:

Transaction 21 of 68

Award day:

Aug 16, 2011 (15 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

RODOLFO R. SANTIAGO CONSTRUCTION

Value:

₱979,874.71

Project:

Package 3 -3rd District FY 2011 Construction of Roads a) Brgy. Talbak, Doña Remedios Trinidad, Bulacan b) Brgy. Camachin, Doña Remedios Trinidad, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #1,218 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 2ND DEO awarded it to RODOLFO R. SANTIAGO CONSTRUCTION on 2011-08-16.
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 3f927dbbf6…a93cdanow …
2. Block Merkle root changed
stored b765f26536…32e9c6now …
3. Block #1218 hash changed
stored 1d1b398439…b2cd2enow …

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

leaf 3f927dbbf6e6be7175fe889d6e5f3cd2bed3bdb3be6f55ca2ea0ce2523a93cda
01 L 39b7c82b52e0d17f8c4e11c8f8d3d3c21f713a5d7189f1423de344092a602039
02 R b69dc1160c4118fcfe5adef1537de00b885389d11c4a40f4594f2d07d765b9ce
03 L 061605958f6eca7ff4e382b191e56b82e4658d6381b0014294faed302f0bd28d
04 R d208a380eff2ac65cc004a53162d4fc61c20bada3b46e5a3387d7394181397c8
05 L 030da13c75b66555095144f894f5039eb36066504dc1cc30a796639d6aecf991
06 R 19ccf9d3022ea590f78a57db8b143f1220efe48dc622a055eca97909bebde408
07 R 5d0e5a39ae049ce6af2ffb3d2fc65b7f920f3586681d3873b55a7db4492d4420
root b765f26536d11816ce928401e9f192080d2b4d143ac21d8189cef401c632e9c6