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 - ALBAY 2ND DEO Award a ₱28.8M contract to HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

ec4da444c8b0fe60779839568d8ae35fd7f07c28f415a7b010519092e3590bbc

Status:

Included and unchanged

Block:

#1,326 4,687 blocks after it

Position in block:

Transaction 85 of 91

Award day:

Dec 19, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATION

Value:

₱28,798,466.71

Project:

Repair/Rehab of Legaspi-Manito Rd. Various Section, Manito, Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND 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 #1,326 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 - ALBAY 2ND DEO awarded it to HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATION on 2011-12-19.
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 ec4da444c8…590bbcnow …
2. Block Merkle root changed
stored bb2cf9f4f7…1f918bnow …
3. Block #1326 hash changed
stored 876fc3f06a…55ff1bnow …

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

leaf ec4da444c8b0fe60779839568d8ae35fd7f07c28f415a7b010519092e3590bbc
01 L dfe1f6517c086ac7f72b484ea778cec79343a1e95218478b0296d57a43813782
02 R bdddc859c103f12ec3023e8d9d7d3267ad2830f56820665fbaeafa2364ad461f
03 L 06f88da32aec71b2f236453959544ed981dc775c17406532fdc19dbee0f611c0
04 R 1514c4462e9825a2d58cd81688029b9b3b4c21aa0249a236736d21db63de2917
05 L 61b9060b0dcdf0b7740ae7253005bc007b5d6a69414fa15b699e864dc659850e
06 R 94502350ab6574a2022c4f70542ecf93fda14412020d730354ab2c3890a95eb2
07 L f5282f9b2f4f19312cdf9f83884f6ec56360aea2e33a8482f9d4713be982cbfd
root bb2cf9f4f7a97474672010db51fb36cacec030d73863cf2093f0e0b2801f918b