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 ₱1.9M contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

a8e7e7623e86c99e16c42eaca39cd490bc7285bef8ae72d1955b8740090b285c

Status:

Included and unchanged

Block:

#1,342 4,671 blocks after it

Position in block:

Transaction 34 of 52

Award day:

Jan 5, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱1,911,988.80

Project:

Concrete Paving of Tandang Sora Road, Cabatuan, 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 #1,342 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 2012-01-05.
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 a8e7e7623e…0b285cnow …
2. Block Merkle root changed
stored a0bf4aa22b…84d42bnow …
3. Block #1342 hash changed
stored 71a4289b80…972c82now …

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

leaf a8e7e7623e86c99e16c42eaca39cd490bc7285bef8ae72d1955b8740090b285c
01 R b63d7c3a85ffc62cb5e8946469488e362e0e2682e07eed3ac89635a16b5dae42
02 L c42aab1bee11eb49d77feb59176c85fe937cde37184743c0a840e1c9e82465a1
03 R c72ee74439f20d06092d4dc9748d5c73c0a14247ccfba229b7874c804e8fbf7c
04 R 60be2bc59e2462cbad55e857e7443a4cfe5a00c1af9795c14384b2f786a89d14
05 R 89e3b3297e15efe89ee0ad3941ac47bdd83c35ab2bce64245f2a55b3c2e178c2
06 L d9d7ff1a2ed1bc9a855eed14e14ad70ad40897a90c871bac1b1b0aa54e08232d
root a0bf4aa22b058e79067d9cbbe57921496e71805c52719c0a327e735d6f84d42b