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 ₱946.4K contract to ZION CONSTRUCTIONNational agencies

Transaction hash:

e5f2aaed9dbca5705efbe986e35e6faee3f455a3670df5dc30d9e806ac632048

Status:

Included and unchanged

Block:

#341 5,672 blocks after it

Position in block:

Transaction 13 of 15

Award day:

May 19, 2008 (18 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

ZION CONSTRUCTION

Value:

₱946,444.30

Project:

Construction of Drainage System, Brgy. Talamban, 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 #341 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 ZION CONSTRUCTION on 2008-05-19.
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 e5f2aaed9d…632048now …
2. Block Merkle root changed
stored 6b1375abb3…eff0a6now …
3. Block #341 hash changed
stored 4f30fc9c94…27a939now …

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

leaf e5f2aaed9dbca5705efbe986e35e6faee3f455a3670df5dc30d9e806ac632048
01 L e2dc92406429e3609fac6de4aeb72fba9d304286c9dd87dcc456c196ae33f6dd
02 R cfa72bc39520a8792bf933472cfa812886f058254726f0d7805366253f1ed427
03 L c33bde38d96c32ebaa97c94965c83090bd3a9d74dbb154682b1cf9c74eaa2349
04 L 308b339401ef8fc3fa2e64d0e28cba1020cc2f26795f91fff30f3dcbfa85172d
root 6b1375abb3c4425e4c842b65bd9867cfcce876bef98a48d4e13576020aeff0a6