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 - SURIGAO DEL SUR 1S Award a ₱1.8M contract to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVENational agencies

Transaction hash:

5033ae85deced26348e71e2bb770de1b3f7f532f25ef5b8d964c0c6176d3226b

Status:

Included and unchanged

Block:

#1,412 4,601 blocks after it

Position in block:

Transaction 14 of 63

Award day:

Mar 27, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

To:

DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE

Value:

₱1,801,896.01

Project:

12NH 0015 Package 17 – Const. of Bridge & MP Bldg.,Cantilan, Carmen & Lanuza, Surigao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

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 #1,412 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 - SURIGAO DEL SUR 1S awarded it to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE on 2012-03-27.
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 5033ae85de…d3226bnow …
2. Block Merkle root changed
stored a280667340…19510bnow …
3. Block #1412 hash changed
stored 21e37e506e…a91cd3now …

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

leaf 5033ae85deced26348e71e2bb770de1b3f7f532f25ef5b8d964c0c6176d3226b
01 R 570aae2ddb31379b2e4255b448d30e56a054e966ea40bbe7124eee8506a2ac2f
02 L fc6127a2b9c03d1e9be5a8d8d0da4575d52d8f68688aa88ddeb5f0e760d26553
03 L 7dc290d1fc67f309f3104c79a8c966fb90917243a376663c45f6d1c5b849fd17
04 L e34fbd36786f770a86a89a53d7da693cef11105aeed2914dbf4e41f8a6e91215
05 R 26a6e76fc6017e18b3cd222f698f4ef92f45632cfe4b64163b8d85ed001e5cfd
06 R 41bbeb76692576afc501ba1061ba634b1a702f5f50f0d9af65f46d57b0b943a5
root a28066734036ac94b17e53ec6cc2f16e9030a60663a9ea758370c300ff19510b