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

PROVINCE OF BATAAN Award a ₱505.1K contract to L.R. DE GUZMAN CONSTRUCTIONProvinces

Transaction hash:

3cd1ba9c5c08816fb8bbccc791bf1ed9fa71f24a3bc85011bfa1b391b43cde6e

Status:

Included and unchanged

Block:

#1,232 4,781 blocks after it

Position in block:

Transaction 5 of 36

Award day:

Sep 1, 2011 (15 yrs 2 mo ago)

From:

PROVINCE OF BATAAN

To:

L.R. DE GUZMAN CONSTRUCTION

Value:

₱505,110.00

Project:

Construction of Multi-Purpose Bldg. 305th Philippine Army Barangay Camacho Balanga City, Bataan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF BATAAN

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 #1,232 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)
PROVINCE OF BATAAN awarded it to L.R. DE GUZMAN CONSTRUCTION on 2011-09-01.
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)
COA's CY2024 audit of Bataan gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 3cd1ba9c5c…3cde6enow …
2. Block Merkle root changed
stored 37fd19e92f…bbf43dnow …
3. Block #1232 hash changed
stored 91f5f37fbd…89078enow …

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

leaf 3cd1ba9c5c08816fb8bbccc791bf1ed9fa71f24a3bc85011bfa1b391b43cde6e
01 L 30c6776e4ae5f2d9de2425488616ecc83431a33d1b0a504e72faec90c3d8305c
02 R 2551d83cbe6d1aca8025ba26f7f019f9420bdaf0c6e8a4431526b1910ad42c13
03 L c0e5a6732e499b02b229cffbd2edd99ac76a002d6205fa13a4e86ccfce2da670
04 R 47617a31f3333ae616ffa12ae171630f77c9f37d259068c85aabfbc7e80a10df
05 R 2442f17b1298fab95b7d7a2795a2dc3729ee0e51cc562d46fe7cd1a8e8eb82b6
06 R 0f6180c714f3b76be543939052882755f452ed2be2afa0e9dcb089b186a1493c
root 37fd19e92f2aa18daa8c868d1521ca2dc90763e730dc9af931e799d8abbbf43d