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 - LAGUNA SUB-DEO Award a ₱2.3M contract to DSO ENTERPRISESNational agencies

Transaction hash:

3b12de0870e702c7dfd284fb3e27bd91ef1c6d9f1a4a92dbc4e052e78a612453

Status:

Included and unchanged

Block:

#1,086 4,927 blocks after it

Position in block:

Transaction 12 of 47

Award day:

Mar 2, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

DSO ENTERPRISES

Value:

₱2,280,964.53

Project:

Invitation to Bid

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-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 #1,086 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 - LAGUNA SUB-DEO awarded it to DSO ENTERPRISES on 2011-03-02.
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 3b12de0870…612453now …
2. Block Merkle root changed
stored 1bcb30125b…7e7007now …
3. Block #1086 hash changed
stored ca140ba0a9…6a7c37now …

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

leaf 3b12de0870e702c7dfd284fb3e27bd91ef1c6d9f1a4a92dbc4e052e78a612453
01 R 43cb8e08b48bd51966898c206986d2d0c4edd6354025295bc31b68fcd5419ed7
02 R 1990832674c486824cd4a1de9fbd7dd8e7f3db3d42c80afe9ce8e07adcf84e6c
03 L 1fc4ad25e4ac08c981eb0fafd8311550d8dff42d7e57ce138169bfc28a53b438
04 L ad8c835722e94da2d421c7ee115b15c405d2ae6f0754b0998a53d3d456e30996
05 R 236bd5711492185b85d547efd52ba872c446de789fb68529e10ef3201b1a0ddd
06 R 75d01163564cd86433eb107bc9458771f4c4842796c0b9e493424f5d4e8c934d
root 1bcb30125bd83838324bbf719253e33e615eaa29b874001605ef8d8b6b7e7007