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 & HIGHWAYS - PALAWAN 2ND DEO Award a ₱1.1M contract to JB AND SONS TRADING AND CONSTRUCTIONNational agencies

Transaction hash:

4e6c4e9f78cc5380155d6ed7b6ad6503205fc10f32c61dbe7c429328846e44a8

Status:

Included and unchanged

Block:

#912 5,101 blocks after it

Position in block:

Transaction 2 of 7

Award day:

Jul 22, 2010 (16 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 2ND DEO

To:

JB AND SONS TRADING AND CONSTRUCTION

Value:

₱1,063,053.60

Project:

Package VI-a)Construction of (1cl) Caguisan ES, b) Construction of (1cl) Look Dahu ES Balabac, Palawan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 2ND 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 #912 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 & HIGHWAYS - PALAWAN 2ND DEO awarded it to JB AND SONS TRADING AND CONSTRUCTION on 2010-07-22.
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 4e6c4e9f78…6e44a8now …
2. Block Merkle root changed
stored 78d968ea45…19ae16now …
3. Block #912 hash changed
stored 87268c675c…72a475now …

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

leaf 4e6c4e9f78cc5380155d6ed7b6ad6503205fc10f32c61dbe7c429328846e44a8
01 R 6e762e9b7d3cf62a287b0593b1b30f1b8610c0af8ea1577bd8ddccf607db90e0
02 L 61c3a1c508971de29ca3f2dd8d3a9c9775cf9b99955ecae5935543baff742dee
03 R 9c493d77224fc209e564acaddb744bee3028ab748b923ca84b490b5c8cafc17e
root 78d968ea45e9b9e1bfcc44f5c2def58d31c2b74b0791b81d9e7ede778419ae16