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 ₱4.8M contract to TRIPLE 8 CONST. & SUPPLY INC.National agencies

Transaction hash:

175dab1ec2119cf91c9fd61536134ba5cc7e99485bba9b3e73352ae42ce9d148

Status:

Included and unchanged

Block:

#348 5,665 blocks after it

Position in block:

Transaction 0 of 8

Award day:

May 28, 2008 (18 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

TRIPLE 8 CONST. & SUPPLY INC.

Value:

₱4,760,823.50

Project:

Invitation to Apply for Eligibility and to Bid of various infrastructure projects

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 #348 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 TRIPLE 8 CONST. & SUPPLY INC. on 2008-05-28.
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 175dab1ec2…e9d148now …
2. Block Merkle root changed
stored 69e18a6568…207c6fnow …
3. Block #348 hash changed
stored 4a5a915d8a…9cbec6now …

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 175dab1ec2119cf91c9fd61536134ba5cc7e99485bba9b3e73352ae42ce9d148
01 R 2602d088233cbf3318e7e120da6ce297b46761918d8abe52ca79d71526c3ca88
02 R 0e85799c8b6471680bde704ef7f313eebc6f069664142a85ade8224b69d79715
03 R f5c36c9120abb702e6b0230a5f5a47f867cf0451ee7af7d3a5c1e15ce02ac6c1
root 69e18a65682640387216087ef7dcca670a79c0d331573dc7827b526ade207c6f