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 - DAVAO DEL SUR 1ST Award a ₱3.5M contract to DARYNN CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

107b7b1e2fb18d8055b366ae3778b89b6ec774cf728c31c05a1ffd5507daa7bd

Status:

Included and unchanged

Block:

#1,566 4,447 blocks after it

Position in block:

Transaction 3 of 70

Award day:

Sep 21, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL SUR 1ST

To:

DARYNN CONSTRUCTION AND SUPPLY

Value:

₱3,534,622.99

Project:

12LD0035 - Cluster VIII - Construction of School Building (1) 1 CL- Malupo E/S, Basalan; (2) 2 CL- Sinawilan NHS, Matanao; (3) 1 CL- Marawer E/S, Digos City, all in Davao del Sur.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL SUR 1ST

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 #1,566 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 - DAVAO DEL SUR 1ST awarded it to DARYNN CONSTRUCTION AND SUPPLY on 2012-09-21.
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 107b7b1e2f…daa7bdnow …
2. Block Merkle root changed
stored ea9230b4f9…0e9319now …
3. Block #1566 hash changed
stored 0c417ffe99…94cbb8now …

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

leaf 107b7b1e2fb18d8055b366ae3778b89b6ec774cf728c31c05a1ffd5507daa7bd
01 L 10401d0409015326b4bb8020b94602244348552b4ba1c671bb0cf94bc389fe3d
02 L d6c8d975deda966de759b538f966790700fd0483d6e91a8bedbb3189dc453621
03 R 8c941070d523e298f1082ed3ed5b3478a699297b106e582b4c4f96e489340530
04 R 715d04becb4378a37f1a2d7ce7ba5caf50765561809f3b99be6d07a11b4dda1d
05 R 1bdfbcc0282e89432ba140a9b489bf6861602e6ebefc94c4d201a6e80a7fdab9
06 R f4eef91bcc9ab9ed4203c3180420fd58a242e903e81ecd3f4886bc7b3f4a0e55
07 R 399845616cdda919868389e79749dcb9cbba85a040b12d59218164ac7518cc8e
root ea9230b4f9f51a8fd8e168d03d74dd5236d41fc43c8f8524dca8086d710e9319