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 - ISABELA 3RD DEO Award a ₱477.3K contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

ea52396c9a6e2780d124352d818c074f22049e580bb17f68805a8df464a27eb1

Status:

Included and unchanged

Block:

#1,117 4,896 blocks after it

Position in block:

Transaction 32 of 36

Award day:

Apr 11, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱477,295.02

Project:

Completion of of School Building at Sto. Domingo E/S, Luna, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD 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 #1,117 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 - ISABELA 3RD DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2011-04-11.
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 ea52396c9a…a27eb1now …
2. Block Merkle root changed
stored 0c0eee8c19…a98555now …
3. Block #1117 hash changed
stored 77f18192db…f11e40now …

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

leaf ea52396c9a6e2780d124352d818c074f22049e580bb17f68805a8df464a27eb1
01 R eb2db3439a6647e98f86eae7dd53ac9a8799db556bbe7be3a6c4f1bb1329e5d0
02 R ea6f13c3f44763e2d2d97830d8d35ed92d936dda1f7adc9fc8e2bae1989009f1
03 R d132eba2faedde2d846db4320e8671ca326ec8c3e5028c5fd64b052df2e523c5
04 R 821dabde2e7eb732688b73957ca17d911c7c135668c25b1966b3502b9ca3c05c
05 R f655ef636bbe6258f920376c02451da35d017d189c750e337a657ad5d0e088bc
06 L 716238aea56791bf2dddb731889e278a7db7631658cc413afa8c213a32c0e957
root 0c0eee8c19df791d86d3ff945bffd80e9a4169afec71c79d94bfeaa906a98555