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:

f2e272bebd7daa111f1ead700e94923510dee64fe849539ca3cd0b7da3b8741e

Status:

Included and unchanged

Block:

#1,342 4,671 blocks after it

Position in block:

Transaction 49 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:

₱1,947,744.19

Project:

Preventive Maint. Along Santiago-Tuguegarao Road Reblocking), K0346+000 to K0350+000 with exception

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 f2e272bebd…b8741enow …
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 f2e272bebd7daa111f1ead700e94923510dee64fe849539ca3cd0b7da3b8741e
01 L f20c79dc583567a9c46bd66c7c51bd64ad569b74adce89fb54f34331a3b5dc3a
02 R 1664b1b2e274afc38e538a3c980219986f5961537e0dec0116786f14311aae5b
03 R 80d035a06c32ba1e244af9bb3a16dff29286231a814d41910075b7e13588e1e2
04 R 5631cfc19a880b92e7db09fabff803316302abb1077e263766c8572e5a1651ff
05 L 919d3c78c4f6aa07fda6034fcb5625e3ba3e136dd66565fe6a9a997822a82885
06 L d9d7ff1a2ed1bc9a855eed14e14ad70ad40897a90c871bac1b1b0aa54e08232d
root a0bf4aa22b058e79067d9cbbe57921496e71805c52719c0a327e735d6f84d42b