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 - QUEZON 1ST ED Award a ₱990.9K contract to SOUTHERN DAWN DEVELOPMENT COMPANYNational agencies

Transaction hash:

7b79b1cf66d5e9ec4a67fb7d473dcb62d84dbe4ee55fa0a1a07a0ea2686ec692

Status:

Included and unchanged

Block:

#1,463 4,550 blocks after it

Position in block:

Transaction 18 of 42

Award day:

May 25, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

To:

SOUTHERN DAWN DEVELOPMENT COMPANY

Value:

₱990,873.06

Project:

Construction/Rehabilitation/Upgrading of Farm to Market Road Barangay Salipsip-Taluong, Polillo,Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST 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 #1,463 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 - QUEZON 1ST ED awarded it to SOUTHERN DAWN DEVELOPMENT COMPANY on 2012-05-25.
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 7b79b1cf66…6ec692now …
2. Block Merkle root changed
stored 4576cf7233…12eaa4now …
3. Block #1463 hash changed
stored 1cdc9dfa6d…372124now …

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

leaf 7b79b1cf66d5e9ec4a67fb7d473dcb62d84dbe4ee55fa0a1a07a0ea2686ec692
01 R 7d566f8ecd084d8e0e776ec6455a0869500a97a52f50171d5a924c1e21516c2f
02 L 81fb21f944d56e2441c7e84894ebaf3d549538b3bf4d77377edbd3624a9e5323
03 R c133f6104ee7d06fc679d85e150ee3e09aba05e3c87286e9d248c7d83bc84c8a
04 R 26cbbfb8082bc2d5079c637a967e1a92432c2670f5f3747035bc03034ef6aeac
05 L 5ce3657d754757125e8e0057c66fa7b014aa8e73755d09c4995d9ddb6ded8f6a
06 R 4569b939162a40a946a624583648f6ee1ccc32ba57c3ab547350317594507dd7
root 4576cf7233fc6b3d1fa1e74412ac92b3337133ec3de2a669118a51e36912eaa4