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 LAGUNA Award a ₱5.5M contract to POWER K CONSTRUCTION SUPPLY & SUPPLYProvinces

Transaction hash:

8ca214e02db2c3163b2c2fcb7cacbca009409e93be84ce512eed090b3653c287

Status:

Included and unchanged

Block:

#1,223 4,790 blocks after it

Position in block:

Transaction 32 of 54

Award day:

Aug 22, 2011 (15 yrs 2 mo ago)

From:

PROVINCE OF LAGUNA

To:

POWER K CONSTRUCTION SUPPLY & SUPPLY

Value:

₱5,483,335.10

Project:

Construction of 2 Story/4 Cl. Bldg., Santisima E/S, Sta. Cruz, Laguna

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF LAGUNA

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 #1,223 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 LAGUNA awarded it to POWER K CONSTRUCTION SUPPLY & SUPPLY on 2011-08-22.
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 Laguna gave a "unmodified" 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 8ca214e02d…53c287now …
2. Block Merkle root changed
stored 98868b4022…56faecnow …
3. Block #1223 hash changed
stored 6dce46eef4…d464afnow …

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

leaf 8ca214e02db2c3163b2c2fcb7cacbca009409e93be84ce512eed090b3653c287
01 R 8de2983ab0479932fde3fb16ca7495b6bbadc2183359d2e19dd83d0163f9c29b
02 R f584e8c35d169bbbab96eaadb388752daa9eaf00fbb535099164e91ff89d2c5f
03 R 603ad6aae017d96b5f64993844ed31d99debaa01e2180d724388a53efc1a2fe9
04 R ce32dfde12c93e2b2e236afbe0fbed24aecac5fa6d043a826a1642329ea84b75
05 R 8584635f76e9aa10c72a1b517100103e2a66b28cfc8c25ac8b28bbb91a7921e0
06 L e83e96e44ad9a0c1bc4b399c8a2dd28e788afa027a7408df3cd26c20f9731e06
root 98868b40220e8a45c2661f9b1b40b386e65f2095f78d86e4a604d3633756faec