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 CITY 1ST ED Award a ₱4.7M contract to C & F CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

be4d736cb6a863eea41b185f20eb13e3c7f5e9e0284b6063d8a1fa14d446e73a

Status:

Included and unchanged

Block:

#1,463 4,550 blocks after it

Position in block:

Transaction 34 of 42

Award day:

May 25, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

C & F CONSTRUCTION AND DEVELOPMENT CORPORATION

Value:

₱4,702,350.64

Project:

Repair/Rehab./Improvement of Quirino Highway, Q.C. (K0022+200 – K0023+897) with Exception

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST 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 #1,463 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 - QUEZON CITY 1ST ED awarded it to C & F CONSTRUCTION AND DEVELOPMENT CORPORATION on 2012-05-25.
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 be4d736cb6…46e73anow …
2. Block Merkle root changed
stored 4576cf7233…12eaa4now …
3. Block #1463 hash changed
stored 1cdc9dfa6d…372124now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 41 records. Each step hashes the current value together with the sibling shown.

leaf be4d736cb6a863eea41b185f20eb13e3c7f5e9e0284b6063d8a1fa14d446e73a
01 R c2870c35e86217924548eafe441ff3ca8b2be24301f9337ac28473f658608839
02 L deef843e793b86625b36065e3f25f3355d499cbd1b0ca4876c9f6b0c57d2d2aa
03 R 9c3a8baa954e88c72b2a8a4b4d9a3303160cd385257d545f1c91be351ce1fefe
04 R 23ef1ea66b83724008405d47efd30e33f75379a6368fd6ac2090a24c9f9370da
05 R cd26cd165c259034b160a7c7b5500e352d966b7b3cef8aeaf322ae099c1c3979
06 L 61378012fecf2af50be5edc4b07453119fe7fd643f062afb3210a1b0b0c20e94
root 4576cf7233fc6b3d1fa1e74412ac92b3337133ec3de2a669118a51e36912eaa4