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 - REGION V Award a ₱9.6M contract to DSB CONSTRUCTION & SUPPLY, INC.National agencies

Transaction hash:

39e281dc81865b0dcb5e495f6f160720a6506cca45de42c9e6c05591dd17e1f1

Status:

Included and unchanged

Block:

#1,095 4,918 blocks after it

Position in block:

Transaction 5 of 31

Award day:

Mar 15, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

To:

DSB CONSTRUCTION & SUPPLY, INC.

Value:

₱9,595,001.28

Project:

INVITATION TO BID - 11FO0001

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

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 #1,095 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 - REGION V awarded it to DSB CONSTRUCTION & SUPPLY, INC. on 2011-03-15.
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 39e281dc81…17e1f1now …
2. Block Merkle root changed
stored 6f07fcec85…acb35enow …
3. Block #1095 hash changed
stored cf36a9ead4…019600now …

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

leaf 39e281dc81865b0dcb5e495f6f160720a6506cca45de42c9e6c05591dd17e1f1
01 L 2625b4bb175d1244fb2465dd3efd3a6dc79f7264a6328c5a2644c7bd4266fef7
02 R f1bf57468f21023021d43d64f0828ff00028cc69e47541ae8bc77d46f3305e6a
03 L 22e53c515fae0949eac9aebae85af9242b709892d2ce47c72a9088730f4a45ae
04 R 35047d8db8b39b650faccc053900c8a03da25d105e9071d713e57f811bfd95a7
05 R 2b5400f7432663c91b59f16e5899d56cc5b7e2bd8c80f2e1fb3327e46bdb7d2b
root 6f07fcec85a9899ad6cdaf212856df1c94a4c3cd0568f44eea8982de44acb35e