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 - CAR Award a ₱1.9M contract to JL CONSTRUCTIONNational agencies

Transaction hash:

41238e67da556b8ff01d2d5e6dcace95a428d0933a6d64d7068b9079b3371ddb

Status:

Included and unchanged

Block:

#748 5,265 blocks after it

Position in block:

Transaction 8 of 28

Award day:

Dec 4, 2009 (16 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

JL CONSTRUCTION

Value:

₱1,896,560.09

Project:

Construction of Multi-Purpose Building at Ungasan, Loakan Proper Barangay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #748 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 - CAR awarded it to JL CONSTRUCTION on 2009-12-04.
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 41238e67da…371ddbnow …
2. Block Merkle root changed
stored c6f9c170fd…1c296dnow …
3. Block #748 hash changed
stored 222e8aac0a…1b541anow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.

leaf 41238e67da556b8ff01d2d5e6dcace95a428d0933a6d64d7068b9079b3371ddb
01 R 44287efe4b413cdb045b1739d4ffd45c7c55b52e72d8e4863e803fdfd66c5d85
02 R f4ec0a989cfc990a8a9aee52076a478c64308fe748022ddb93c87fa4429f4860
03 R aade6756151c6001adc0f0ef858013d6691e9c37710f500dfeaed7c7346ce856
04 L 46e53adb750c11a960f473506a760563029d405115d693eee0fa5d0c1600130b
05 R 85ef9a03b28132a49c4b50cf523436d58057efe65b6aec27bdae38e52d81b498
root c6f9c170fd6aa0ea502c30f00257b2cdb4a689906ae5bc71a3b1cd0bc61c296d