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 ₱482.0K contract to WBX CONSTRUCTIONNational agencies

Transaction hash:

d8376079fcd099e616abf4e8a5dd52c75c3209fff8fec27e2cb8c19d9fb37665

Status:

Included and unchanged

Block:

#1,067 4,946 blocks after it

Position in block:

Transaction 18 of 21

Award day:

Feb 8, 2011 (15 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

WBX CONSTRUCTION

Value:

₱482,011.30

Project:

Rehabilitation of drainage Lopez Jaena St., Sto. Cristo, Baliuag, 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 #1,067 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 WBX CONSTRUCTION on 2011-02-08.
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 d8376079fc…b37665now …
2. Block Merkle root changed
stored 280749fdcf…fdc246now …
3. Block #1067 hash changed
stored 1c723f1a8a…bfa3f5now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 20 records. Each step hashes the current value together with the sibling shown.

leaf d8376079fcd099e616abf4e8a5dd52c75c3209fff8fec27e2cb8c19d9fb37665
01 R e71bbe7e1b16091c33d51c500f540a8e61a2d83c4866e199810bfaf594e85e73
02 L f676798416be8a43573f177aff95baf2721a3942c2050ff6a399661d8aa4c283
03 R 0e355a60664373432f66817c4718787deb045995e1279a48ddd7716edeec5d08
04 R 71eee6162d4f44b9a55389c1964460cb83e609081409dcfc5ad3302638375e25
05 L 5d15b427aebcc59b55713affe6b5c084290be949fd2b411732b26ab908b90d35
root 280749fdcf3f3b7bc3d87c904537025b7183558548068da62330a0f846fdc246