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 ₱719.9K contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

efb05cb77134c4a8d9be2edfae1cd3cd5d4c35b4a5d0f5e5e961bf8a8123b9d8

Status:

Included and unchanged

Block:

#348 5,665 blocks after it

Position in block:

Transaction 6 of 8

Award day:

May 28, 2008 (18 yrs 5 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱719,919.52

Project:

REPAIR PROJECT BY CONTRACT (REPAIR OF OPEN RC CANAL ALONG CONTAINER YARD, PORT OF PUERTO PRINCESA, PALAWAN)

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 #348 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 2008-05-28.
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 efb05cb771…23b9d8now …
2. Block Merkle root changed
stored 69e18a6568…207c6fnow …
3. Block #348 hash changed
stored 4a5a915d8a…9cbec6now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.

leaf efb05cb77134c4a8d9be2edfae1cd3cd5d4c35b4a5d0f5e5e961bf8a8123b9d8
01 R f917aabcc0d3d2b998f1ab51a4f5abaa2c157305b8bfdf284a917c2c4b1aa3b8
02 L 28dc54dc8d060c18932fd7981ad80a95b4b4de1581f97f02da4fe72b90e1df7a
03 L 4c3b335e685315b6f6713f3382df11b1cb8bd3f41f2067ef3be9c33a933aaa4b
root 69e18a65682640387216087ef7dcca670a79c0d331573dc7827b526ade207c6f