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 - EASTERN SAMAR DEO Award a ₱1.2M contract to TUBIGAN BUILDERSNational agencies

Transaction hash:

1c685c8356bcbbb2e37e4f43621314defec411124eb8fd4e0602bae59ac3864e

Status:

Included and unchanged

Block:

#2,848 3,165 blocks after it

Position in block:

Transaction 4 of 69

Award day:

Sep 12, 2016 (10 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - EASTERN SAMAR DEO

To:

TUBIGAN BUILDERS

Value:

₱1,201,817.76

Project:

16IB0200 - Construction of a 1STY 1CL School Build

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - EASTERN SAMAR 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 #2,848 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)
DPWH lists the funding source as "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 - EASTERN SAMAR DEO awarded it to TUBIGAN BUILDERS on 2016-09-12.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16IB0200: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2016-10-29). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 1c685c8356…c3864enow …
2. Block Merkle root changed
stored b73859b480…94d188now …
3. Block #2848 hash changed
stored def683cf8b…e84d41now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 68 records. Each step hashes the current value together with the sibling shown.

leaf 1c685c8356bcbbb2e37e4f43621314defec411124eb8fd4e0602bae59ac3864e
01 R 1d8cdce8e679f92a9cfba0c71d7aa7e316096650825dad463c2efcda720ca69a
02 R ccb2bbdba25a60b849ff1a202b94052377a5032478464d097665c86b363abf7d
03 L 8177fdcf25e547613fa0d80b683e29587ca2b6079fcbd21fa913043746578044
04 R 1ccfb11bc7bffed258e733c1da44514eb987f8cbb3f3c7fbde64c58b5706d1b2
05 R 0f5a3d21365501fd13b1e3c78095ae599e61c451eea39cc385568d761e9a6b9a
06 R 869b56a8a841d8c9dca0e31ec21030c84369120b56627549feb0154c40e369b9
07 R 7400b2ad2659bae8e05c604be7485ceb74ac3ea75521929e08e4602172029d32
root b73859b480bb270678f80c6f528085b6a8622c5d16836abc551bfd073d94d188