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

MANILA INTERNATIONAL AIRPORT AUTHORITY Award a ₱43.1M contract to MARCPHIL CONSTRUCTIONNational agencies

Transaction hash:

3a64dfcecb1144652f374bef51705e357182a8e56463b92ecfd0bdfd073454d0

Status:

Included and unchanged

Block:

#797 5,216 blocks after it

Position in block:

Transaction 8 of 32

Award day:

Feb 11, 2010 (16 yrs 9 mo ago)

From:

MANILA INTERNATIONAL AIRPORT AUTHORITY

To:

MARCPHIL CONSTRUCTION

Value:

₱43,067,717.55

Project:

Proposed Sealing of Concrete Pavement (Aircraft Parking Bays / Envelope Area, Equipment Parking at NAIA Terminal 3 Apron)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MANILA INTERNATIONAL AIRPORT AUTHORITY

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 #797 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)
MANILA INTERNATIONAL AIRPORT AUTHORITY awarded it to MARCPHIL CONSTRUCTION on 2010-02-11.
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 3a64dfcecb…3454d0now …
2. Block Merkle root changed
stored e71a264b84…b8cf68now …
3. Block #797 hash changed
stored f9ae3675f0…eb0738now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.

leaf 3a64dfcecb1144652f374bef51705e357182a8e56463b92ecfd0bdfd073454d0
01 R 3bd3baf4789bf94c6cc3e889da0d8b2c8072ef7b394940dd5c5010ba193647aa
02 R 0fb787f974b1d103f4bd80f672792dbeeeeb91784b15e8a67b472e3ed9087844
03 R 37a002fe8e71e464cfd8b9630c7ba49cfa89bbd4ea822e0f08769196f708eda6
04 L 30f2af62ed499bf726d1a520fe51440094fb445565a49bfc5bb0e0cb967c7647
05 R 5d0ab316c5a127df1c864af07ac1afd9929d665418137c8f236073d67333872f
root e71a264b841f7198e37d52d5c6b928aba0c09718a3098a926303d1b526b8cf68