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 ₱46.6M contract to CTC BUILDER AND SUPPLIES, INC.National agencies

Transaction hash:

c1fc0e9eb3dbd602567a5bb1d8d2881cada8cf0356d764eb5fc10a67f9357474

Status:

Included and unchanged

Block:

#1,754 4,259 blocks after it

Position in block:

Transaction 91 of 116

Award day:

May 16, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

To:

CTC BUILDER AND SUPPLIES, INC.

Value:

₱46,600,181.40

Project:

13F00021

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 #1,754 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 CTC BUILDER AND SUPPLIES, INC. on 2013-05-16.
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 c1fc0e9eb3…357474now …
2. Block Merkle root changed
stored 5185a6f600…09a2b5now …
3. Block #1754 hash changed
stored d36e98b8e9…cd7527now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 115 records. Each step hashes the current value together with the sibling shown.

leaf c1fc0e9eb3dbd602567a5bb1d8d2881cada8cf0356d764eb5fc10a67f9357474
01 L c1c70b350c7b21c0dc8f32943097d0c63164069e5b03ebe0985ee048087bb4b6
02 L 12383566426ece923f948b10d17314bf4f9c9dfa8977f0ca7eb8d45290d6ce01
03 R 9928c8d56f7d07a24897006d33dde0965e1f5d46d7a1bb053573293e77bd0660
04 L c10bf439540dcd281d00fd6d76276faadfb6a3eebe2019a103143d394950a0e4
05 L f3e42224c60118be4fb74d6ccfe75f789353e112bf3885f6d4b385283d39168e
06 R aa62a267a62185e52157a329014c1e0c03216812c3edbe1cbedd73bac52878bc
07 L a6c957858c324ec6cacb73b5acde5c5e3c080ebe62e1fc94cddde30b20754182
root 5185a6f600c69320317f87d18e0ccf1853bb8cc3fa77135fc74d53d02309a2b5