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 & HIGHWAYS - QUEZON CITY 1ST DEO Award a ₱1.9M contract to R.G. DIAZ BUILDERS & TRADINGNational agencies

Transaction hash:

f73cbdac2e6d22ab048c5d708be5973fe63fcaef6ba38853ad7b046f094ea57a

Status:

Included and unchanged

Block:

#1,058 4,955 blocks after it

Position in block:

Transaction 27 of 29

Award day:

Jan 27, 2011 (15 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST DEO

To:

R.G. DIAZ BUILDERS & TRADING

Value:

₱1,889,065.53

Project:

Improvement/Rehabilitation of Multi-Purpose Building at Brgy. Sto. Cristo, Phase IV, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST 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 #1,058 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 & HIGHWAYS - QUEZON CITY 1ST DEO awarded it to R.G. DIAZ BUILDERS & TRADING on 2011-01-27.
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 f73cbdac2e…4ea57anow …
2. Block Merkle root changed
stored d7e514a777…95d72fnow …
3. Block #1058 hash changed
stored 0625ea70c7…42e4c2now …

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

leaf f73cbdac2e6d22ab048c5d708be5973fe63fcaef6ba38853ad7b046f094ea57a
01 L e2bcb27b0eafe2de5fb8fb06435cef67fc8404607234ae2c35fd729f829c0732
02 L 3b3478c02bd71a5273563d3c35567cf6e38f59667f8573d59f3fae83aef7b42e
03 R 3936dd1b815499614143532b857599a4422733e324264d2d5b3b00546872c4d4
04 L 9994d982329d16a6583a4f7812cbecf51866605d90809a8f87d688f95185144b
05 L 5b25d7718fb3c7015ae4c3726390c8b9fb30b3cdd22292b41b80e62598e29bec
root d7e514a77771251fc618e31a6f74f34f0c398f7e036f55922fdfe0ea4895d72f