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 ₱122.4M contract to MSV CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

beaa209c338ff66c84641d5fbf9e104ee26d1fdabcd448ddbad7f45e18e1e649

Status:

Included and unchanged

Block:

#4,091 1,922 blocks after it

Position in block:

Transaction 38 of 48

Award day:

Apr 28, 2020 (6 yrs 6 mo ago)

From:

MANILA INTERNATIONAL AIRPORT AUTHORITY

To:

MSV CONSTRUCTION & SUPPLIES

Value:

₱122,354,624.40

Project:

Re-waterproofing of NAIA T3 Roofdeck & Fixed Bridg

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 #4,091 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 MSV CONSTRUCTION & SUPPLIES on 2020-04-28.
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 beaa209c33…e1e649now …
2. Block Merkle root changed
stored d828d2bc63…a04909now …
3. Block #4091 hash changed
stored 9790e4fe55…47dfb4now …

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

leaf beaa209c338ff66c84641d5fbf9e104ee26d1fdabcd448ddbad7f45e18e1e649
01 R c1451d513e185b4b21f9d27a7067ab69b440a1f0f9cba479ba56844674015277
02 L 3cbc8aa67ba45c1c6972e66b026e078cce07f258acaaf2ccbe1e93b747b99edd
03 L 0af5e1e6802ca4919aee8ebb9f11fd3a3b96edc42316039227e6a09b8c703434
04 R 42f60420a934b5898e93577a7c6df430b58cfd349d7d15b8b40e2fae73c2c5c1
05 R 188e35bee613703a24b40c7470127638d806906e76040f9338ed2d6a90a1c1d3
06 L 292b774bc6bd0029874501c613e004b154f76eae6a6caf29584b2d5ce3e765f7
root d828d2bc6369174237c06316223de7189722a71eeaea8bdcc201cca47fa04909