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 - QUEZON 4TH ED Award a ₱949.9K contract to BOMEL CONSTRUCTIONNational agencies

Transaction hash:

b47be9e2f3f384ad41d6c8ace63677a42cfed3d6371293dc63da15219421544c

Status:

Included and unchanged

Block:

#1,432 4,581 blocks after it

Position in block:

Transaction 36 of 60

Award day:

Apr 18, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH ED

To:

BOMEL CONSTRUCTION

Value:

₱949,884.35

Project:

Improvement of farm-to-market road, Sto. Niño Uno to Del Rosario, Tagkawayan, Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH 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 #1,432 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 - QUEZON 4TH ED awarded it to BOMEL CONSTRUCTION on 2012-04-18.
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 b47be9e2f3…21544cnow …
2. Block Merkle root changed
stored 951bc4ccce…13ae75now …
3. Block #1432 hash changed
stored 21f9df5dd8…93f734now …

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

leaf b47be9e2f3f384ad41d6c8ace63677a42cfed3d6371293dc63da15219421544c
01 R b6f253eabcdf1ca669d129f297f9b32eb83958217906b8fd1d556cf45fddbd90
02 R d765d623830ab077705fc4e5b948116873f20562016ed8ee236161b6710b6fb6
03 L 4fcb665d001b0e5bff0e0a4e13e2a185aa55d04f4cf5cc2da6a324e8397dbc6d
04 R 0ff4ed1ca5836da68ab45782c38f84b23ba13025889845ef1a877825d713ba78
05 R dc304dd262dd84480612a7b81c7fb7a0916aadceba9f4a2c986e67a257a1831b
06 L 71c68350de6f8c9bd80aa3d44fca7801c81a39ae367511e929f7e3303b471f25
root 951bc4ccce9975e76df9090a26bfd6d08e857de516830975758a937cd113ae75