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

DEPED - RO3 - DIVISION OF ANGELES CITY Award a ₱3.5M contract to E.B. MATIAS CONSTRUCTION & TRADINGNational agencies

Transaction hash:

00c8167b0d9b261b1774d89aa742a6157c62146cced3794ede0ddf8e0e34abcd

Status:

Included and unchanged

Block:

#1,163 4,850 blocks after it

Position in block:

Transaction 0 of 37

Award day:

Jun 9, 2011 (15 yrs 5 mo ago)

From:

DEPED - RO3 - DIVISION OF ANGELES CITY

To:

E.B. MATIAS CONSTRUCTION & TRADING

Value:

₱3,492,168.18

Project:

Construction of 2 Storey 4 Classroom School Building at Angeles City National High School

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPED - RO3 - DIVISION OF ANGELES CITY

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 #1,163 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)
DEPED - RO3 - DIVISION OF ANGELES CITY awarded it to E.B. MATIAS CONSTRUCTION & TRADING on 2011-06-09.
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 00c8167b0d…34abcdnow …
2. Block Merkle root changed
stored 393734f8e6…7156b8now …
3. Block #1163 hash changed
stored ef3c5f2dd2…f7edabnow …

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

leaf 00c8167b0d9b261b1774d89aa742a6157c62146cced3794ede0ddf8e0e34abcd
01 R 0b7a0f1711d3e1ec363e4e779d416e53108d477569d86a940f9b2eaafcd6cc6c
02 R 49b9dafbc2d016f8a5c7b6ef52de0b822b75af708e3aead6a687172f78447600
03 R d94870f4a9186701a1f3ef8c75c1afcc1c09d1cea9f4749a42be0581e7b451ca
04 R 29e3ec565f786a3578c778e7eef16190f630ace88f961fead0b79c2e1a51ec06
05 R cfb1ab54ac24d11b2955589473570eb854ffddf626a628f9354bf744f3766c25
06 R e99c1cc30c654904689c889d3630d7f83a348a93722d930933f68a950889fadf
root 393734f8e6bd0212d99a3ca5c64c6a2f3490832122245273413465783e7156b8