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 - BUTUAN CITY DEO Award a ₱2.9M contract to WILLTORR CONSTRUCTIONNational agencies

Transaction hash:

02fa50b2f09235dc46e5b00970562558e222eea2a0dbfea70b831df970d278f0

Status:

Included and unchanged

Block:

#3,252 2,761 blocks after it

Position in block:

Transaction 3 of 246

Award day:

Nov 21, 2017 (8 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BUTUAN CITY DEO

To:

WILLTORR CONSTRUCTION

Value:

₱2,876,072.44

Project:

17ND0089

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BUTUAN CITY 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 #3,252 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)
DPWH lists the funding source as "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 GAA. The exact UACS line is not given.
Partly
Open
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 - BUTUAN CITY DEO awarded it to WILLTORR CONSTRUCTION on 2017-11-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17ND0089: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2018-03-01). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 02fa50b2f0…d278f0now …
2. Block Merkle root changed
stored 63b9a715a9…41f2fcnow …
3. Block #3252 hash changed
stored 0f5c4d9a44…17b1b9now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 245 records. Each step hashes the current value together with the sibling shown.

leaf 02fa50b2f09235dc46e5b00970562558e222eea2a0dbfea70b831df970d278f0
01 L 00f0435be32669d47f2d1fcc7e17ba0b1438eea9f4ddffed70290a28a833aeec
02 L a3ded2728dd9d83d3e50d380ad695fcb70118de14d91c3c20f6f217faa8d37f5
03 R 2d8a1733f9455eb5617a18d6c4edbb45cf69d9370f7676ada3838f609b53629d
04 R 08850aa9ac47f3c178b271f15ce26ef55d96b9423b5bbc966f0441eb0b55c95e
05 R 79c0e9209465e5b1411923f4c0fce76a2ee9564e24c08aba91f3d3703e35dd30
06 R 9defde4021a4903a5c22cba0e50a88bd0c8b34d58da66f96cfa3f47ebd813d93
07 R 27297a90b6bdec4a7c61441fdca83ed834396e1dc2981a7ff2e41ed40e36a226
08 R 4156b9a4f27f38cb54f027f2573d7ee37ca5c61c8e9c20fedcf56068759832db
root 63b9a715a950fce3dcf0cf25add307b28d4ee4cb117dbcbe090e67e9ba41f2fc