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

PHILIPPINE PORTS AUTHORITY-PORT DISTRICT OF SOUTHERN LUZON Award a ₱9.8M contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

93f032c6476a9ff1dd91c38f4e911b449f4ef9ffa695204e745f92d0e6b32baa

Status:

Included and unchanged

Block:

#1,398 4,615 blocks after it

Position in block:

Transaction 37 of 63

Award day:

Mar 9, 2012 (14 yrs 8 mo ago)

From:

PHILIPPINE PORTS AUTHORITY-PORT DISTRICT OF SOUTHERN LUZON

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱9,757,137.60

Project:

Port of Brooke's Point, Palawan-Const. of Cargo/Transit Shed and Concreting of Pavement with Drainage System

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY-PORT DISTRICT OF SOUTHERN LUZON

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 #1,398 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)
PHILIPPINE PORTS AUTHORITY-PORT DISTRICT OF SOUTHERN LUZON awarded it to GEMRON STEEL WORKS & CONSTRUCTION on 2012-03-09.
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 93f032c647…b32baanow …
2. Block Merkle root changed
stored 630f54ee13…402a56now …
3. Block #1398 hash changed
stored afefa799c8…e17664now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.

leaf 93f032c6476a9ff1dd91c38f4e911b449f4ef9ffa695204e745f92d0e6b32baa
01 L 8aeb71ae95efb4cd6a2f1d0758b97d37462213438768c7ecff7545357e249d0c
02 R bf03832f0efb8bb51b864421e29241a57a933eb0a74214d16639f19837ac474d
03 L 993324fb34d744b5f162014dc0b105bf0593565da9f2f0473153153ff43ad9eb
04 R 0818f5f2a723234435550ef7e449a2463f7fb1a7c215a334da0a7f173383c47d
05 R fca5fd8d7ba03475319099a63a025b152354ae8be70e0d7a318eda606e65e0bc
06 L 3c773323bd29b1b1dfeb5ce20fa7c1d2201444443fb001689ac1f8579c6aef9f
root 630f54ee133d8ad8a6682fbda968ecfbaf3b272ed06ae678d495ece682402a56