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 ₱1.9M contract to R.A MENDIOLA CONSTRUCTION & DEVELOPERNational agencies

Transaction hash:

3748a6dc4cf8afeead2ac72a0ba4b7e18ed15255d2294bba588e12f660e3b36d

Status:

Included and unchanged

Block:

#2,966 3,047 blocks after it

Position in block:

Transaction 30 of 119

Award day:

Jan 19, 2017 (9 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH ED

To:

R.A MENDIOLA CONSTRUCTION & DEVELOPER

Value:

₱1,930,098.65

Project:

17DL0022

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 #2,966 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 "Regular Infra - GAA 2017 LFP", 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 - QUEZON 4TH ED awarded it to R.A MENDIOLA CONSTRUCTION & DEVELOPER on 2017-01-19.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17DL0022: 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 2017-04-03). 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 3748a6dc4c…e3b36dnow …
2. Block Merkle root changed
stored cd60e9b353…7fb3b4now …
3. Block #2966 hash changed
stored f3d58b3ce2…49d0ccnow …

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

leaf 3748a6dc4cf8afeead2ac72a0ba4b7e18ed15255d2294bba588e12f660e3b36d
01 R 375057879ba78610fcc5bf238bfc40e94725d9ccf8acc95eb0bc5ed3503c5d9d
02 L 08fce7a3078057089626af696defda65916971cdb94c823d83260f01b7c5023f
03 L 48a67032af5ea86e5c41aa524afd94e9932c1a617a264f8b4345d4d9ade837ce
04 L 5e8b37b93cdfb55655cea11069163dd55bf84931a3de103085d0ca6781659cad
05 L 90ca41e96d1e825ab316820338e62a285fed155c4fe9b0240c2bef83f09ebfcc
06 R dd07c77d5c01adedd50369b867964419a36062c2b8b2b682fc162354c71f38d9
07 R b68b095bd4f0a7f1d82bd37908f8cc916100c993ea4f1b278615025fbad24e18
root cd60e9b353a27ae385bca3d0cd0712002624cf804f42e0b72b75bdeb847fb3b4