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 3RD DEO Award a ₱4.8M contract to ALDANA CONSTRUCTIONNational agencies

Transaction hash:

ef2d06414bef894ff8926698c862006e3d49cb2592db4eeebc2fd474d29dad6d

Status:

Included and unchanged

Block:

#705 5,308 blocks after it

Position in block:

Transaction 11 of 12

Award day:

Oct 8, 2009 (17 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

ALDANA CONSTRUCTION

Value:

₱4,821,569.41

Project:

Construction of Multi-Purpose Building (Phase IX), Rosales, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 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 #705 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 3RD DEO awarded it to ALDANA CONSTRUCTION on 2009-10-08.
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 ef2d06414b…9dad6dnow …
2. Block Merkle root changed
stored 63700fa5c1…a310a2now …
3. Block #705 hash changed
stored 7731699076…dfaa78now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 11 records. Each step hashes the current value together with the sibling shown.

leaf ef2d06414bef894ff8926698c862006e3d49cb2592db4eeebc2fd474d29dad6d
01 L df649bcd4d4a5323c56a5344576db57ac6384f2e8ab7ae7e8fbaf02ce4ad0ba8
02 L 8f8ec5ca1008cb8a720338a53466de2972276804d4d2878c6aa83af615f10e4d
03 R ceffde4d103a1196d0aabccdc26b52b42b4ebd2cdf6c1ded11006343eb538c2a
04 L 03397bec470c9ce4cf7fe0beb557f18517e3b81f01c06fbc45d304a16420068d
root 63700fa5c10d9074cfce59d480251f978ea015b0eb64f30f0dcea9b71da310a2