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 - CARAGA Award a ₱1.9M contract to AMA CONSTRUCTIONNational agencies

Transaction hash:

c8199615f94d4ed7fe38fdfb9e935d7444d6bc6d48d5281f97e3435aa9414714

Status:

Included and unchanged

Block:

#1,317 4,696 blocks after it

Position in block:

Transaction 32 of 38

Award day:

Dec 8, 2011 (14 yrs 11 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - CARAGA

To:

AMA CONSTRUCTION

Value:

₱1,861,487.13

Project:

Repair of Cargo Shed, Port of Tandag, Surigao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - CARAGA

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 #1,317 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 - CARAGA awarded it to AMA CONSTRUCTION on 2011-12-08.
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 c8199615f9…414714now …
2. Block Merkle root changed
stored c8f327c204…8a883dnow …
3. Block #1317 hash changed
stored d26c5887cb…7db296now …

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

leaf c8199615f94d4ed7fe38fdfb9e935d7444d6bc6d48d5281f97e3435aa9414714
01 R cf715b069f3077b83f00d216906618a4b275c42632d6b3c708310e8a30045521
02 R b7c861993729586e771a18e69b9dcea3823cc03070fb4230ede1f7e9e6a283ca
03 R 5d0cf2da1d9624fc63a2458d7ce8c6fe9f9bee08d0722716643a3a7047633c26
04 R 3cc3c8e30c62f69935125050f937ad42aa16b7a494d3896785fb3397d7261141
05 R bce8b6df2b015141aa0fbe272a286a97a5d7721bc6b0a9c11be5ebf72f0f0503
06 L 94b08674a0b7228b93b9eb87d31682977ba7cc5169f25145797c9babdd1fabec
root c8f327c204760771788dfd90cfeee7a03ef3862bea1471a52e16e5e0ec8a883d