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 ₱3.2M contract to GEMRON STEEL WORKS & CONSTRUCTIONNational agencies

Transaction hash:

c9682739c5cf66dfec51cd1577c32881168544a9808b5f8dc331ccec373fcb28

Status:

Included and unchanged

Block:

#1,307 4,706 blocks after it

Position in block:

Transaction 45 of 61

Award day:

Nov 28, 2011 (14 yrs 11 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO PUERTO PRINCESA

To:

GEMRON STEEL WORKS & CONSTRUCTION

Value:

₱3,164,744.65

Project:

PP1108 REPAIR OF TMO BUILDING, PORT OF BROOKE'S POINT, BROOKE'S POINT, 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 #1,307 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 2011-11-28.
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 c9682739c5…3fcb28now …
2. Block Merkle root changed
stored 5aea51353f…40d944now …
3. Block #1307 hash changed
stored cea6f00a97…f61970now …

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

leaf c9682739c5cf66dfec51cd1577c32881168544a9808b5f8dc331ccec373fcb28
01 L c19af607b92218b0a186ab7d0a3c02bd67b9b3d88164459937bfb2851b94e58f
02 R 874e356f6b28ba928be427e32f1730ce897bd2b51c5bfd585f824771c7458c66
03 L 9d621729adb89f931b8c208294cdb9a18c71922e7742425f42591c52655b9e3b
04 L 22bc3f46db10be2c6774cfdca08c29dabd3bd158acf4452569fc9d1d2bd74fe9
05 R 921a048a350c0e74298615da122d1f3006cc07233af91e1a6d756185b04cbf76
06 L f3b40527e9cad1c7beae9da8a2464840ff837cc0ff88d7171fef9602ab993374
root 5aea51353f7bee7fdd4cd4c4391a2edcaa2ae499b7eaac949b72389bed40d944