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 ₱4.5M contract to DOMARAX CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

6487c76868fac75d540fdd029291d82b18ba25f4af5d7c26ce3995ee5737083b

Status:

Included and unchanged

Block:

#907 5,106 blocks after it

Position in block:

Transaction 3 of 6

Award day:

Jul 15, 2010 (16 yrs 3 mo ago)

From:

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

To:

DOMARAX CONSTRUCTION AND DEVELOPMENT

Value:

₱4,492,792.82

Project:

Construction & Repair of CY 2010 School Building Projects Elementary, 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 #907 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 DOMARAX CONSTRUCTION AND DEVELOPMENT on 2010-07-15.
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 6487c76868…37083bnow …
2. Block Merkle root changed
stored b97ed40f5a…b0c074now …
3. Block #907 hash changed
stored 207fe1179a…aeec90now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 5 records. Each step hashes the current value together with the sibling shown.

leaf 6487c76868fac75d540fdd029291d82b18ba25f4af5d7c26ce3995ee5737083b
01 L 31c6d253ff9f45f779e945a59825d21fd52ff24612b6c94ee6a9911c0629bfb6
02 L d7b731fb8ce4a268063062aff4d636f0d4699adfda369daaed1cfed9eccbe897
03 R 24322c69caeece66fd83c9e23f37ed0768ad1ba450cb46f3f757fd31ac3189e9
root b97ed40f5a54f84fb09d385fb30ac597bb12de8f2b8b98decb9c020fd3b0c074