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 - FDEO Award a ₱714.3K contract to V.R. GUEVARRA CONSTRUCTION & TRADINGNational agencies

Transaction hash:

7b32d0fe4bc95bc0e5b02e310511a6675de4b0fbd26abea7902a07a2cd3921cc

Status:

Included and unchanged

Block:

#245 5,768 blocks after it

Position in block:

Transaction 28 of 43

Award day:

Dec 28, 2007 (18 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - FDEO

To:

V.R. GUEVARRA CONSTRUCTION & TRADING

Value:

₱714,283.05

Project:

Construction of Footbridge, Sitio Palayan Bayan going to Sitio Gantuan Barangay Nagbalayong, Morong, Bataan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - FDEO

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 #245 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 - FDEO awarded it to V.R. GUEVARRA CONSTRUCTION & TRADING on 2007-12-28.
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 7b32d0fe4b…3921ccnow …
2. Block Merkle root changed
stored 2b63da6ca5…968f76now …
3. Block #245 hash changed
stored 12106f9398…f96238now …

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

leaf 7b32d0fe4bc95bc0e5b02e310511a6675de4b0fbd26abea7902a07a2cd3921cc
01 R 84be5d80c770ff6c74fcba5567356fbf254c772266a76ed1f653c0c60e6476ad
02 R ee519d6fba13ebe2e07d6e4e89c98a95199bdb71c216b09cae3a2ac1ba4b588b
03 L 747363f8f2dd184a7574f4e6418f31f05de24a519059540ac2568151b289b713
04 L 731a77ebf265b52f0e1be33ef443d771b904faca5bad8184a13fb92b5b676aad
05 L 413abda5d222845ed4192bfd604dbf29d653a56d3f01b8f23c1aa4fbe4a2d2be
06 R 40b3cea92661efb03594a9e5764ae046d9ce62e6bc51758bb90c67905015a99d
root 2b63da6ca5fe159f7aacc952736aaa5463843e8f0881c18bcf8ab96f5e968f76