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 - PMO PUERTO PRINCESA Award a ₱5.9M contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

88f2c3ae776ea7e38af4cbd4f259d0704be49eeae915314b0e5a7290ec62cf25

Status:

Included and unchanged

Block:

#1,033 4,980 blocks after it

Position in block:

Transaction 37 of 63

Award day:

Dec 23, 2010 (15 yrs 10 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱5,920,177.65

Project:

REPAIR OF PORT INTEGRATED CLELARANCE OFFICE (PICO) BUILDING, PORT OF PUERTO PRINCESA

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

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 #1,033 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 - PMO PUERTO PRINCESA awarded it to GEMRON STEEL WORKS & CONSTRUCTION on 2010-12-23.
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 88f2c3ae77…62cf25now …
2. Block Merkle root changed
stored 8a81129d0d…566034now …
3. Block #1033 hash changed
stored 95860602ed…328f47now …

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 88f2c3ae776ea7e38af4cbd4f259d0704be49eeae915314b0e5a7290ec62cf25
01 L 869d36c707bfecf07a4cbe9b68c31d9f743ef1e9683bc8cb698e838185c2c64d
02 R 25f661f6fa1a698a8ad2ccadaca7eafc89abc9ef1e2945d9c2cf8855a1f21d4c
03 L e7099d12d34f9810208db79a3bf6aa9230cc042f66a96516db1268ad0760092e
04 R 5e21dd07834d560eeb7de32db41e3303974d2a0330d574ce135967c13e74887c
05 R 3dc33764dade9c9ff48b81f58540011ba6a25ce91739f067edb95f276bdbe809
06 L c3d1d0588fbf739b1a1d2250e67d906b8ab4f82aec60a89ca93bf99406e8e10a
root 8a81129d0de2b010c798a80f97a5c8a03c80f3ed2d848056a84ae83f60566034