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 - BOHOL 3RD DEO Award a ₱4.8M contract to ALTACS CONSTRUCTIONNational agencies

Transaction hash:

c96112427fffcd2e11149c2d3abd10e2d6a333d651012f95956462a40ea17355

Status:

Included and unchanged

Block:

#4,243 1,770 blocks after it

Position in block:

Transaction 148 of 194

Award day:

Oct 7, 2020 (6 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 3RD DEO

To:

ALTACS CONSTRUCTION

Value:

₱4,839,110.50

Project:

20HB0054

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 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 #4,243 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 "Regular Infra - GAA 2020 LP", i.e. the FY2020 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 - BOHOL 3RD DEO awarded it to ALTACS CONSTRUCTION on 2020-10-07.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20HB0054: 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 2021-02-24). 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 c96112427f…a17355now …
2. Block Merkle root changed
stored 30620a3249…ca955enow …
3. Block #4243 hash changed
stored f4c1ffb8d9…9895b2now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 193 records. Each step hashes the current value together with the sibling shown.

leaf c96112427fffcd2e11149c2d3abd10e2d6a333d651012f95956462a40ea17355
01 R cde02f55c154a9c76b1871cc1ecf3fb94b13d176abe55c69c469deac9c650b7d
02 R b55b0a5d52bd30b03ae9cfc5fd1908491e62fb244b1da617fa861f6be0236def
03 L d8ca6028c7491b67cce3a1a5b613957fa3662872ff07dbf18a7b5b7eba5fcaf0
04 R 0275fae541a149e3f53d430259c82f0415c7d567788d073460216161f44dcc33
05 L 7dd47b56461f5b52324f25829995ec78b06f657abf2d5c27cf1c51aaea6eaac1
06 R e18736cdf44c38e1bb01285b71320ddb61768e4d3744f632dee86745e9f0debd
07 R 3bb56bd5afe450276bdeda40d99bd195c40cec84d7037b03a1668eaf86ca886a
08 L 2bb96c859067b4cdc94cd8af80dc21c55e15747fd147806ffabbe6c1cabd5e43
root 30620a32496aad2a2f04eea50b5c832c52e5b4900706b9e93603687060ca955e