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 - PANGASINAN 1ST ED Award a ₱35.7M contract to JASA BUILDERSNational agencies

Transaction hash:

ca8abb4b723fd655db42722b8f9fd60e3af55bb6205bac762cb3d4a509671c4c

Status:

Included and unchanged

Block:

#1,347 4,666 blocks after it

Position in block:

Transaction 27 of 37

Award day:

Jan 11, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 1ST ED

To:

JASA BUILDERS

Value:

₱35,722,414.90

Project:

11AG0062 - Rehabilitation/Reconstruction/Upgrading of Damaged Paved National Road along Pangasinan-Zambales Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 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 #1,347 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 - PANGASINAN 1ST ED awarded it to JASA BUILDERS on 2012-01-11.
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 ca8abb4b72…671c4cnow …
2. Block Merkle root changed
stored 7e4f09ef47…c466canow …
3. Block #1347 hash changed
stored d2be85d340…59c3dcnow …

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

leaf ca8abb4b723fd655db42722b8f9fd60e3af55bb6205bac762cb3d4a509671c4c
01 L c11077407635aa44582f67f7084f243b957ae05b1a313b64a7a37ef73f69accd
02 L 1cb2773f902bd8f729d496c2dd7a15b35f407c126e3f595788916bf161330d11
03 R 42ac3bfa71f538d6ced89240c749c54ac0219533989e5847fa04d4678c2954eb
04 L c07f38c517a119c6f5633dabc9a7400ef8c978e158d9b639b687598ba34a2901
05 L af8e05a1a9e168721891e9e3202c5a571386d77eb3ffcc90dbbdbbe6ba6f5348
06 R 77d89cdc6fc6237302d5a4ada0790e2ef0835391c5f50dbc8dbbbdd997b7feec
root 7e4f09ef4777a44a0a4f1e7137ecd3e097988464dd2ba8ff25d3a33c81c466ca