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 HIGHWAYS - CEBU CITY DEO Award a ₱947.8K contract to GC BUILDERSNational agencies

Transaction hash:

24dbb979167c98e51e5b2eedf1ba926bfea1fbf355c6e845bef4d0ad19369e31

Status:

Included and unchanged

Block:

#544 5,469 blocks after it

Position in block:

Transaction 0 of 10

Award day:

Feb 26, 2009 (17 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

GC BUILDERS

Value:

₱947,800.00

Project:

Improvement of Multi-Purpose Building, Brgy. Labangon, Cebu City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY 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 #544 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 HIGHWAYS - CEBU CITY DEO awarded it to GC BUILDERS on 2009-02-26.
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 24dbb97916…369e31now …
2. Block Merkle root changed
stored f049d3fb0e…ff5006now …
3. Block #544 hash changed
stored 93207ba89c…51fc8cnow …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.

leaf 24dbb979167c98e51e5b2eedf1ba926bfea1fbf355c6e845bef4d0ad19369e31
01 R 2602f9b83436034777979c56abf025ed50aa5c9941f4933e4d8d83d8d30bbec9
02 R 7067d2eb4389ab1149c4748d556de4dca0dc8c076928bbca2e32a858a96e2269
03 R 3406cebdf08b480b326f440a26b4588221591342d13109683ee930b1117f22bd
04 R df3a55658f270c7e53a64cc2beea619b8614c7009f1d086a51f037a941264b54
root f049d3fb0e6c83f5d5b33deea4210f9ee1f43542d11082fde4240de9c0ff5006