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 - LAGUNA 1ST ED Award a ₱9.6M contract to JTC CRUZ CONSTRUCTION CO. INC.National agencies

Transaction hash:

01731a46aed062be676d0ebd0f8385adec5907e5a712395ab34bd4066407e156

Status:

Included and unchanged

Block:

#1,346 4,667 blocks after it

Position in block:

Transaction 1 of 77

Award day:

Jan 10, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

To:

JTC CRUZ CONSTRUCTION CO. INC.

Value:

₱9,634,463.00

Project:

Clustered projects for the Preventive Maintenance (MFO-1) of Calamba-Sta. Cruz-Famy Jct. Road, a.)K0100 + 315 to K0100 + 400, b.) K0100 + 930 to K0101 + 498, c.) K0103 + 712 to K0104 + 152

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

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 #1,346 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 - LAGUNA 1ST ED awarded it to JTC CRUZ CONSTRUCTION CO. INC. on 2012-01-10.
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 01731a46ae…07e156now …
2. Block Merkle root changed
stored ee55e1319a…c9104bnow …
3. Block #1346 hash changed
stored 9e3c5bfd37…df52fanow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 76 records. Each step hashes the current value together with the sibling shown.

leaf 01731a46aed062be676d0ebd0f8385adec5907e5a712395ab34bd4066407e156
01 L 003c376ac82746f09a2ba70d88820cddff80e14fbe42781404c4897738d8ccf9
02 R 64f01f4fdec4a174408e4259976935c0c0eaf449a8a676f6de71af6bd2a9a59d
03 R 207ee752d3cfb792ffa21e6d37acdfe0fa3fb156d545ad7f3e7679619f51e907
04 R 11002026486d51ef1fb14a35a65396c455e5ee7891b4fa56fb1a0bf3f83c3d28
05 R 471cebd9b73327f470d727691c570202cd133e5c7b31d9a6d3e791ac2931aee9
06 R bdb135ff975f6abc11f7fa882c57cd643029eb53c6377b4803935637b46ea20a
07 R c9a4f72f1d2ee9d2ae5b3dc4d17400b074ed58101fc2980077dd557afa028531
root ee55e1319a4159b18b9f2d5988e4546ed78bf3c08dfe6ce5036ed10d87c9104b