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-BULACAN 1ST DEO Award a ₱238.1K contract to GOODSPEED CONSTRUCTION & SERVICESNational agencies

Transaction hash:

090fe8349585ea4d3da37d9f71c613898e77f9afa6cbd57d77d968d352b6a6f3

Status:

Included and unchanged

Block:

#555 5,458 blocks after it

Position in block:

Transaction 1 of 8

Award day:

Mar 12, 2009 (17 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

GOODSPEED CONSTRUCTION & SERVICES

Value:

₱238,100.00

Project:

Improvement/Rehabilitation/Upgrading of barangay roads in barangy Calero, Malolos, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #555 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-BULACAN 1ST DEO awarded it to GOODSPEED CONSTRUCTION & SERVICES on 2009-03-12.
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 090fe83495…b6a6f3now …
2. Block Merkle root changed
stored 5cb4baa106…071b80now …
3. Block #555 hash changed
stored ed3087e12d…b72b85now …

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

leaf 090fe8349585ea4d3da37d9f71c613898e77f9afa6cbd57d77d968d352b6a6f3
01 L 01ad017661d978ea4d3768f48dd38f0170891ae7d9478db3cd036f6e921d2b9e
02 R d6449980d6f03516e47a1fb6a0f71b7afae4a4d145480e9be7ea7609ffcfe43f
03 R ec63f1de041a77edffd556587a9dbef3c55c68a33e4d72d46ae4065edd349da2
root 5cb4baa106a8bad2533e167606183e20be757ef315870dbd85886431d4071b80