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 ₱330.6K contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

d43de08e9cb33baa3bd992e9fb0c4d4f75f763121bc02602d563bb400e16522f

Status:

Included and unchanged

Block:

#547 5,466 blocks after it

Position in block:

Transaction 15 of 21

Award day:

Mar 2, 2009 (17 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱330,648.00

Project:

Improvement/Rehab. along Alicia-San Mateo Road, KO355+000 - KO358+000 (with exception), Alicia, 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 #547 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 2009-03-02.
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 d43de08e9c…16522fnow …
2. Block Merkle root changed
stored 57a4afb51d…d84196now …
3. Block #547 hash changed
stored b514a060ef…afdb38now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 20 records. Each step hashes the current value together with the sibling shown.

leaf d43de08e9cb33baa3bd992e9fb0c4d4f75f763121bc02602d563bb400e16522f
01 L c84bd5be7606e3257cd002eca6381a0f064210bd450ec22699a88f7df9fe80d5
02 L 165f9594c346b5a1e6800a2eb5cbf4a7149607788652c2e959a44c237e5cda36
03 L 05052cf818cfecefefc9ad6006d53388e84bb46272835aea349f7417bb70c912
04 L 93fe60e70c168806a767cc84232e4d0a5875a9fcfcdbbf8df8d8be55ad9ee70c
05 R 2df7a87f0a9e4057f23e3ae8cb33fafb7e9a5ee26679af8633d111648b5fefa0
root 57a4afb51d705a1e246ac2731da45e334775e90d2fa8ce60c02f01dd97d84196