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 - ILOCOS SUR 1ST DIS Award a ₱4.9M contract to P.T. DIAMOND MERCHANDISE AND CONSTRUCTIONNational agencies

Transaction hash:

3be70831dba0cf1c4ece7417e8bca62a2bf9751a07b5db61402f099f04c25fe1

Status:

Included and unchanged

Block:

#1,278 4,735 blocks after it

Position in block:

Transaction 11 of 61

Award day:

Oct 27, 2011 (15 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

P.T. DIAMOND MERCHANDISE AND CONSTRUCTION

Value:

₱4,866,091.17

Project:

Installation / Application / Construction of Road Safety Devices, Manila North road, Km. 424+000 to Km. 429+800 with exception

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #1,278 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 - ILOCOS SUR 1ST DIS awarded it to P.T. DIAMOND MERCHANDISE AND CONSTRUCTION on 2011-10-27.
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 3be70831db…c25fe1now …
2. Block Merkle root changed
stored 45ec82544d…1ce5fcnow …
3. Block #1278 hash changed
stored ead8496304…4c9238now …

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

leaf 3be70831dba0cf1c4ece7417e8bca62a2bf9751a07b5db61402f099f04c25fe1
01 L 3308a8905d4b85d3b6c7fefcb611ce0de6b26118b25d4cbd5378fcfa581cc283
02 L ad1829bb38f479f6f743b7135842f1f4398cc57e23a7e801ce2d0364759f5d4e
03 R 102ae72f102ba6a33cfe7788cbe5295aa93e621a512e25bfc3b811fdc02773c6
04 L c654c6aea8e0a8bdc943d66aa3a83238dd75638ce1e1a7b6e9318911a3d0e051
05 R 66983f3e8a67cba678bb6b76c8436803210734190309c859379fe31d2c17c748
06 R c17a062b33ab449096353ce9b7d2a22fd1b1cd222f726dc8a027209d43aeb237
root 45ec82544dd4869f9729271288a1dabaa0e851cf0cddc6ca6a3043141f1ce5fc