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

CITY OF BATAC, ILOCOS NORTE Award a ₱2.6M contract to DJCM CONSTRUCTIONCities

Transaction hash:

99da5c4ecc9c3f5c953e09fcd7bb740e4c30892f263b9aa7a728a731f4102c27

Status:

Included and unchanged

Block:

#1,416 4,597 blocks after it

Position in block:

Transaction 5 of 6

Award day:

Mar 31, 2012 (14 yrs 7 mo ago)

From:

CITY OF BATAC, ILOCOS NORTE

To:

DJCM CONSTRUCTION

Value:

₱2,588,399.64

Project:

CONCRETING OF CAPACUAN - NAGUIRANGAN FARM TO MARKET ROAD OF THE CITY OF BATAC

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF BATAC, ILOCOS NORTE

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 #1,416 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)
CITY OF BATAC, ILOCOS NORTE awarded it to DJCM CONSTRUCTION on 2012-03-31.
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 City of Batac 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 99da5c4ecc…102c27now …
2. Block Merkle root changed
stored 690dc4ca62…80117dnow …
3. Block #1416 hash changed
stored 067631c076…0033d0now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 5 records. Each step hashes the current value together with the sibling shown.

leaf 99da5c4ecc9c3f5c953e09fcd7bb740e4c30892f263b9aa7a728a731f4102c27
01 L 972f4be61441b6b88df9ac84efd7d8346602402c26b5f9da8977019d8ae44293
02 R c05bdab8855f9a4e64e8fb8419253ca4e716f05a6825990a731bf872f60e8785
03 L d845284ca7ec5b7e7ce8fca7e93e89bbd1b5fe4c893b404883ebc2199e54458b
root 690dc4ca62c21463368a3a7d33c8df5ece7ba6a72537c0bdd2240fd18480117d