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 SCIENCE HIGH SCHOOL - CENTRAL LUZON CAMPUS Award a ₱8.2M contract to M.P. VILLEGAS CONSTRUCTIONNational agencies

Transaction hash:

aa57bb77367e6558fa54b98ed744f801f3e14597ac1a293de526004ed0be59f5

Status:

Included and unchanged

Block:

#1,921 4,092 blocks after it

Position in block:

Transaction 72 of 108

Award day:

Nov 19, 2013 (12 yrs 11 mo ago)

From:

PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL LUZON CAMPUS

To:

M.P. VILLEGAS CONSTRUCTION

Value:

₱8,195,150.30

Project:

Locally Funded Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE SCIENCE HIGH SCHOOL - CENTRAL LUZON CAMPUS

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 #1,921 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 SCIENCE HIGH SCHOOL - CENTRAL LUZON CAMPUS awarded it to M.P. VILLEGAS CONSTRUCTION on 2013-11-19.
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 aa57bb7736…be59f5now …
2. Block Merkle root changed
stored 4b5574595c…df7337now …
3. Block #1921 hash changed
stored 683304c62a…d8a7d0now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 107 records. Each step hashes the current value together with the sibling shown.

leaf aa57bb77367e6558fa54b98ed744f801f3e14597ac1a293de526004ed0be59f5
01 R b1e2a8044a64c8d4ce1b2f140615dff6922844ae57b0ba8c9711257935281754
02 R 42312eeed879450ffa498ceaac8b93094c6485c377f5f6a5f8caf52211e03bab
03 R bbfedddefca67631343319f08223d2ce2408388082323daad9de70ab093fbe1e
04 L 53629e8f2403e071ea293a4a67740b0d2e5a137bf6b828ed0a19179b714fee13
05 R 69e7b71b9729bcebfe613acbe86afe6dffacf7caf25a4c3af7a0ac60e4c01a92
06 R af411bb1a8ccbc3cc5a6f184891ef7fe1468690d77e542866a229e9beefd2f90
07 L 70595dab0f6d69e4da8cc744f515d652060c22626f20eee5f8f7df3eaee0e353
root 4b5574595c7ba783bc6faf67e57614474286979c68157932b853853d23df7337