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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO Award a ₱508.1K contract to JFJ CONSTRUCTION & SUPPLY, INC.National agencies

Transaction hash:

ca1e14f4ea559b409925dc7913047e9d9f8e89ecc30ee06ac6026a443f322aa9

Status:

Included and unchanged

Block:

#907 5,106 blocks after it

Position in block:

Transaction 5 of 6

Award day:

Jul 15, 2010 (16 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO

To:

JFJ CONSTRUCTION & SUPPLY, INC.

Value:

₱508,081.37

Project:

Construction of 1 CL School Building at Tuyom ES, Sipalay City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO

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 #907 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 3RD DEO awarded it to JFJ CONSTRUCTION & SUPPLY, INC. on 2010-07-15.
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 ca1e14f4ea…322aa9now …
2. Block Merkle root changed
stored b97ed40f5a…b0c074now …
3. Block #907 hash changed
stored 207fe1179a…aeec90now …

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 ca1e14f4ea559b409925dc7913047e9d9f8e89ecc30ee06ac6026a443f322aa9
01 L 8a54407ff03134ed14a66acc3b7d6a408dc1360e2028dc85f56f242e7b5445d9
02 R df238e62fde425e6b0fd915dde316e32a8a9bba7c9a7e47a6e24241fd5f594d5
03 L 3d683280a373ac5ab68595c73529890beb8c5d40cac5973fa218be42495859ec
root b97ed40f5a54f84fb09d385fb30ac597bb12de8f2b8b98decb9c020fd3b0c074