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 3RD DEO Award a ₱1.5M contract to GANE TEKNO BUILDERSNational agencies

Transaction hash:

a24da3b71d0cde50e6dd889e558b6a50d84eea9eabcccd97f9068625efd4c10c

Status:

Included and unchanged

Block:

#1,333 4,680 blocks after it

Position in block:

Transaction 53 of 80

Award day:

Dec 27, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

To:

GANE TEKNO BUILDERS

Value:

₱1,482,087.91

Project:

Upgrading of Road Shoulder Along Daang Maharlika Road (Tuburan Section), Ligao City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 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 #1,333 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 3RD DEO awarded it to GANE TEKNO BUILDERS on 2011-12-27.
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 a24da3b71d…d4c10cnow …
2. Block Merkle root changed
stored 3b8bbf0261…34e53fnow …
3. Block #1333 hash changed
stored 9b7b18a7e3…518c7bnow …

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

leaf a24da3b71d0cde50e6dd889e558b6a50d84eea9eabcccd97f9068625efd4c10c
01 L 9fb5aa58c96e2abd0f007433b6856546154faeb078b22aa6a9da9a64053fd8a3
02 R f42fcbe3f464a7be4fe6618415059080f19e50a296237708ab40020ee9295e95
03 L bab96443f6c66e1ed0a9af2cd3b0c85e3a3ee9f20bae12f87fa4770d224136e5
04 R 959f38ba923ec8301e84d996eaf6daec64edba36f8bd616b6418f14d77b30d30
05 L bc9e0cf60e987dd0aa27b7c9914a40dfd4975bbad43ef3fa46b11d668f67b682
06 L 33c1090ac8299aedbdbd35a9d7b78991710dc576846c3e5fb78e4157abd105c0
07 R 744a128f3978e7e1fba37a9ede2d0764b1e057afd8d4a3a8cebb237622743e26
root 3b8bbf0261201d3cb0052b109df4136a28661880d862b59e86dcbe4bab34e53f